A failure produces a code that maps to an error message. support (equivalent to 16) provides trace information for troubleshooting information for Oracle Support Services. tnsping for the connect alias works, no issues. The levels are as follows: 0 or nothing translates the NS error numbers dumped from the nserror function plus lists all other errors, 1 displays only the NS error translation from the nserror function, 2 displays error numbers without translation. Dealing with hard questions during a software developer interview. All rights reserved. It follows that any problem encountered during these phases which appears as a hang or severe slow performance may result in a timeout. If it's real you'll need to change it your current IP, not the one you had yesterday. Copy the sample tnsnames.ora file from Example 16-1 into the text editor and save the new tnsnames.ora file. The following procedure describes how to perform diagnostics on the client: Check that you have installed the same protocol support that was installed on the database server. Informational message. Unpublished Bug 6879763 shared pool simulator bug fixed by patch When the last file has been filled, the first file is reused, and so on. An error stack refers to the information that is produced by each layer in an Oracle communications stack as the result of a network error. The complete release number of Oracle Database, such as release 11.2.0.1.0. For an Oracle Connection Manager, use the SET LOG_DIRECTORY, SET LOG_LEVEL, and SET EVENT commands from the Oracle Connection Manager control utility. You can analyze the data contained within a directory server with the ldifwrite command line tool. The name of the log file for the client. The ldap.ora file found will be used. After the -o the following options can be used: c to display summary connectivity information. Check the listener.log file for detailed error stack information. Given the debugging you've done so far, I'd suggest you do a sqlnet client trace. The first file is filled, then the second file, and so on. 3: Program usable with limited functions. Use terminal emulation or file transfer utilities, (PING, FTP, TELNET) from the client to the database server. Output is displayed in the following format: Example 16-16 shows all of the details sent along with the connect data in negotiating a connection. Check that the SERVICE_NAME parameter in the connect descriptor specifies a service name known by the listener. Minimize the virtual machine and connect from your host machine (or any other machine) using Toad or any other database browser tool. How to react to a students panic attack in an oral exam? The listener log file contains audit trail information that enables you to collect and analyze network usage statistics, as well as information indicating the following: A RELOAD, START, STOP, STATUS, or SERVICES command issued by the Listener Control utility. Critical effect on operations. SQL*Plus may work, but CASE tools may not. Following each procedure is a line of hexadecimal data representing actual data. 542), How Intuit democratizes AI development across teams through reusability, We've added a "Necessary cookies only" option to the cookie consent popup. (Doc ID 1392646.1) Applies to: Symptoms; Changes; . When this parameter is set along with the TRACE_FILELEN parameter, trace files are used in a cyclical fashion. 650575 Member Posts: 681 Nov 2, 2011 5:32AM edited Nov 2, 2011 6:06AM thanks for your reply. To fix this problem, add the NAMES.DEFAULT_DOMAIN=WORLD parameter anywhere in the sqlnet.ora file. Connect to REMOTE Oracle Error: Oracle: ORA-12170: How to Get Your Question Answered Quickly. If you encountered one or more error codes or messages, then the exact code numbers and message text, in the order in which they appeared. Table 16-12 describes the log parameters settings that can be set in the listener.ora file. The trace level value can either be a value within the range of 0 (zero) to 16 where 0 is no tracing and 16 represents the maximum amount of tracing, or one of the following values: Configure tracing parameters for the sqlnet.ora file with Oracle Net Manager and listener.ora file with either Oracle Enterprise Manager or Oracle Net Manager. The most efficient way to evaluate error codes is to find the most recent nserror entry logged, as the session layer controls the connection. All tnsping does is test the presence of the listener. Cannot TNSPING from VirtualBox Client to Oracle Database On Host. RV coach and starter batteries connect negative to chassis; how does energy from either batteries' + terminal know which battery to flow back to? Other computers connect also using Oracle Net Services to this same database. The protocol adapter error is 507. Number of open connections that Oracle Net can process simultaneously, Number of memory buffers which can be used simultaneously, Number of processes a particular database instance is allowed. I have installed oracle_11g client in application machine. Verify that the directory has the default Oracle Context defined. Verify that the LDAP server host and port are defined in DNS. Network Session (main and secondary layers). Click Close to close the Connect Test dialog box. When using the external naming method, do the following: Verify that the NIS file for tnsnames is properly set up. The most important error messages are the ones at the bottom of the file. Theoretically Correct vs Practical Notation. Table 16-16 provides the default trace file names and lists the components that generate the trace files. So I set about trying to resolve the problem. 4. When using the directory naming method, do the following: Verify the ldap.ora file exists and is in the correct location. Parameters that control logging, including the type and amount of information logged, and the location where the files are stored, are set in the configuration file of each network component as described in Table 16-10. Issue because connection establishment or communication with a client failed to complete within the allotted time interval. Network Interface. When this parameter is set along with the TRACE_FILELEN_SERVER parameter, trace files are used in a cyclical fashion. The trace file names are distinguished from one another by their sequence number. Ensure that the Oracle Net foundation layer and the appropriate Oracle protocol support are present by verifying that all Oracle Net Services software has been installed for the client. It is because of conflicting SID. 60 sec: ASH reports covering e.g. If the error persists, then redo the configuration as follows: Set the TNS_ADMIN environment variable to /tmp. All packet types begin with the prefix "nsp". Any underlying fault, noticeable or not, is reported by Oracle Net Services with an error number or message. (I have searched this site and others and there is no suitable identical similar question / answer). Not the answer you're looking for? My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts. [grid@netsystemsolution ~]$ lsnrctl status, LSNRCTL for Linux: Version 11.2.0.3.0 - Production on 05-JAN-2015 07:55:02. It is likely that the blocking session will have caused timeouts to more than one connection attempt. When you contact Oracle Support Services, have the following information available: The hardware, operating system, and release number of the operating system running Oracle Database. Verify that the parameters defined in the ldap.ora file are correct, as follows: The DIRECTORY_SERVERS parameter defines the correct host and port for one or more valid LDAP servers. Setting logging with a control utility does not set parameters in the *.ora files, and the setting is only valid for the control utility session. Diagnosing Oracle Net Services on the server involves the following tasks: To check that the database is up, log in to the database and connect with a valid username and password. The number of trace files for database server tracing. Example 16-13 shows how the Trace Assistant converts the trace file information into a more readable format using the -e1 option. 2. The trace file names are distinguished from one another by their sequence number. Go to the machine that is having trouble with tnsping, have the network administrator run a network tool to trace tcp packets from there. Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=netsystemsolution.com)(PORT=1521))), Version TNSLSNR for Linux: Version 11.2.0.3.0 - Production, Start Date 05-JAN-2015 07:27:06, Uptime 0 days 0 hr. When connecting to Oracle from Power BI desktop, enter the connection details in . [Oracle][ODBC][Ora]ORA-12170: TNS:Connect timeout occurred ERROR [IM006] [Microsoft][ODBC Driver Manager] Driver's SQLSetConnectAttr failed, ORA-12170: TNS:Connect timeout occurred When try to connect from host OS, ERROR ORA-12170: TNS:Connect timeout occurred (oracle forms 11g), cx_Oracle.DatabaseError: ORA-12170: TNS:Connect timeout occurred apache airflow. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. It also records the value of all configuration parameters at the beginning and end of a session. Clients will be unable to connect to the instance until PMON registers it again. ADRCI is a command-line tool that is part of the fault diagnosability infrastructure introduced in Oracle Database 11g. Action: 1. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Verify the client is pointing to the listener. user (equivalent to 4) traces to identify user-induced error conditions. If no options are provided, then the default is -odt -e0 -s, which provides detailed connectivity and TTC events, error level zero (0), and statistics in the trace file. This section offers some solutions to the TNS-12154 error. SQLNET.INBOUND_CONNECT_TIMEOUT and/or INBOUND_CONNECT_TIMEOUT_ server-side parameters. Connections from this workstation worked before making changes on this computer, such as the installation of a new product or modification to the network configuration. For example, the following listener.log excerpt shows a client IP address of 192.168.2.35. There could be two reasons: Faulty load update between CMADMIN and listener. Oracle Connection Manager generates four types of log files: one each for its listener, gateway, CMADMIN processes and one for alerts. I am able to telnet to DB_Machine's 1521 port from application machine. ERROR: ORA-12170: TNS:Connect timeout occurred, Used TNSNAMES adapter to resolve the alias, Attempting to contact (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP), (HOST = XXX.XXX.233.150)(PORT = 1521))) (CONNECT_DATA = (SERVER = DEDICATED) (SE, LISTENER = (DESCRIPTION_LIST = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC0)) ) (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = oradev)(PORT = 1521)) ) ) ), ENABLE_GLOBAL_DYNAMIC_ENDPOINT_LISTENER = ON, LOGGING_LISTENER = onTRACE_LEVEL_LISTENER =SUPPORT, SQLNET.AUTHENTICATION_SERVICES= (NONE)NAMES.DIRECTORY_PATH= (TNSNAMES, ONAMES, HOSTNAME)SQLNET.INBOUND_CONNECT_TIMEOUT=120SQLNET.SEND_TIMEOUT=5SQLNET.RECV_TIMEOUT=5, SRVORA= (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = oradev)(PORT = 1521)) ) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = srvora) ) ). This results in the timeout being eventually reported to the authenticating session. Internal housekeeping for the gateway process is in order. This section contains the following topics: Listener Service Registration Event Information, Listener Subscription for ONS Node Down Event Information, Listener Oracle Clusterware Notification Information. Table 16-11 describes the log parameters settings that can be set in the sqlnet.ora file. Listener 'blocked', database is down or in nomount state only and there's no static registration in listener.ora. ORA-12170: TNS:Connect timeout occurred. What does a search warrant actually look like? Remove any such characters you may find. ORA-12170: TNS:Connect timeout occurred - server connect to DB, The open-source game engine youve been waiting for: Godot (Ep. The following procedure describes how to set the logging parameters in the sqlnet.ora file. The DIAG_ADR_ENABLED parameter indicates whether ADR tracing is enabled. The following example shows the adapters: The net service name given in the connect string should be defined for at least one of the naming methods. You can use the Listener Control utility SERVICES command to see what instances are currently registered with the listener. Run. Example 16-6 Listener Log Events for an Unsuccessful Connection Request. This eliminates any internal lookup problems and make the connection slightly faster. When tnsping fails with ORA-12170 most likely a firewall blocks the traffic. By default, the client directory is ORACLE_HOME/network/trace. The number of trace files for client tracing. When connecting to Oracle from Power BI desktop, enter the connection details in TNSnames.ora file, then check if it is successful. The listener lost its connection to PMON. Save the file, and try the connection again. Network Transport (main, secondary, and operating system layers). The ADR home is the unit of the ADR directory that is assigned to an instance of an Oracle product. Example 16-5 shows a log file excerpt with a successful connection request. Do not use this option with other options. First, get hostname and port number by typing a command lsnrctl status on windows command prompt. Starting from the bottom of the file, locate the first nonzero entry in the error report. A connection timeout error can be issued when an attempt to connect to the database does not complete its connection and authentication phases within the time period allowed by the following: Example 16-1 shows an example of a tnsnames.ora file. Click Change Login to change the username and password for the connection, and then click Test. Instance "orcl", status READY, has 1 handler(s) for this service [root@netsystemsolution oracle]# vi /etc/hosts, 192.168.0.1 netsystemsolution.com localhost localhost.localdomain localhost4 localhost4.localdomain4, ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6, IF YOU DISCONNECT THE INTERNET AND TYPE AS FOLLOWING THEN IT SHOWS :-, [root@netsystemsolution oracle]# ping netsystemsolution.com, [root@netsystemsolution oracle]# ping 192.168.0.1. CMADMIN cannot process a connection request. For example: A message appears, confirming that you are connected with the database. The destination directory for the client trace output. In addition, ADRCI can run scripts of ADRCI commands in the same way that SQL*Plus runs scripts with SQL and PL/SQL commands. The size of the database server trace files in KB. Oracle Net technology depends on the underlying network for a successful connection. The name of the log file is listener.log. - I ran applications process monitor and got the following: Following the advice of the document, it might indicate that I have the 32-bit version of lite client installed and am running 64 . The following suggestions may be useful when diagnosing network problems: Use the node or network address during configuration instead of the name of the server computer. If it is not, then set this parameter to OFF. Select Listeners from the Administer list, and then select the Oracle home that contains the location of the configuration files. Within the ADR home directory are subdirectories where each instance, such as the database, listener, Oracle Connection Manager, or client, stores diagnostic data. All of my *.ora file is configured according to this url ORACLE-BASE - Oracle Network Configuration but even if the information for tns,sql,listener.ora of my pc is required then please do let me know. The destination directory and file for the trace file. The size of the trace file in KB. Example 16-7 Listener Log with Service Registration Events. The maximum number of processes allowed for a single user, The operating system is running low on paging space. Select a listener, and then click Edit to display the Edit Listeners page. To learn more, see our tips on writing great answers. By default the log name is sqlnet.log. The level of detail the trace facility records for the client. If you are using TCP/IP addresses, then use the IP address rather than the host name. The trace file names are distinguished from one another by their sequence number. The number of files is specified with the TRACE_FILENO_listener_name parameter. If the test passes, then use FTP to send the tnsnames.ora and sqlnet.ora files to the client. The listener received registration information for an instance. Activate client tracing and repeat the operation. When the size is reached, the trace information is written to the next file. Making statements based on opinion; back them up with references or personal experience. Example 16-9 shows a typical CMADMIN log. Example 16-14 Summary Information from trcasst -oc Output. From the list in the right pane, select General. TNS-12500/ORA-12500: TNS: listener failed to start a dedicated server process . A list of the most common network error messages follows: ORA-03113: TNS:end-of-file on communication channel, ORA-12154: TNS:could not resolve the connect identifier specified, TNS-12500/ORA-12500: TNS: listener failed to start a dedicated server process, ORA-12514: TNS:listener does not currently know of service requested in connect descriptor, ORA-12520: TNS:listener could not find available handler for requested type of server, ORA-12521: TNS:listener does not currently know of instance requested in connect descriptor, ORA-12525: TNS:listener has not received client's request in time allowed, ORA-12533: TNS:illegal ADDRESS parameters, TNS-12540/ORA-12540: TNS:internal limit restriction exceeded and TNS-00510: Internal limit restriction exceeded, TNS-12549/ORA-12549: TNS:operating system resource quota exceeded and TNS-00519: Operating system resource quota exceeded, TNS-12560/ORA-12560: TNS:protocol adapter error occurred. The repository is a file-based hierarchical data store for depositing diagnostic information, including network tracing and logging information. For information about the specific return codes, use the Oracle error tool oerr, by entering the following at any command line: As an example, consider the following nserror entry logged in the trace file shown in Example 16-12: In the preceding entry, the main TNS error is 12537, and its secondary error is 12560. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. The following procedure describes how to set the tracing parameters for the sqlnet.ora file using Oracle Net Manager: The name of the trace file for the client is sqlnet.trc. ORA-12170: TNS:Connect timeout occurred when trying to connect to a database using sqlplus from one server to another. On each line of the output, the first item displayed is the actual request made. The DIAG_ADR_ENABLED_listener_name parameter indicates whether ADR tracing is enabled. But, tnsping to DB machine is not connecting. Does Cosmic Background radiation transmit heat? Example 16-6 shows a log file excerpt with a successful execution of the STATUS command by host sales-server. Connect and share knowledge within a single location that is structured and easy to search. The gateway process is properly connected to the CMADMIN process. Red Hat Enterprise Linux Server Releae 5.5 ORACLE 10g TNS ORA-12170TNS 1ping 2TNSTNS GSP = (DESCRIPTION = Non-ADR (meaning that the DIAG_ADR_ENABLED parameter is set to OFF) diagnostic and tracing methods are still current and applicable but the parameters are ignored if ADR is enabled. When this parameter is set along with the TRACE_FILELEN_CLIENT parameter, trace files are used in a cyclical fashion. I am getting ORA-12170 from Oracle Form but it works from SQL Plus and TOAD I installed Oracle Forms and TOAD in the same PC where an Oracle database and Oracle App Server arerunning. You can also see which side is waiting for a response. The database server passed a loopback test, showing that the connection worked. The ldifwrite tool can be used to convert all or part of the information residing in a directory server to Lightweight Directory Interchange Format (LDIF). No changes, This is a new installation of 11.2. I have tested TNSPING ORCL coming fine Blockquote C:\\Windows\\system32>TNSPING BTW localhost should only ever be associated with 127.0.0.1 & never with any routeable IP# Problem Exists Between Keyboard And Chair Ujjwal Rana Member Posts: 273 By default, the trace file name is sqlnet.trc. Probably, they usually use DHCP; is your DB connection going to localhost (127.0.0.1), or a real IP? When the last file has been filled, the first file is re-used, and so on. rev2023.3.1.43269. When a database session is in the authentication phase, it will issue a sequence of SQL statements. By default, the directory is ORACLE_HOME/network/trace. If it does occur, then it indicates that the problem has something to do with the client/server connection and is not local to the client. Transfer utilities, ( PING, FTP, TELNET ) from the client 16-11 describes the log parameters settings can!, confirming that you are using TCP/IP addresses, then check if it is likely the! How the trace facility records for the client from the bottom of file. Provides customers with access to over a million knowledge articles and a vibrant support community peers! It again timeout being eventually reported to the database file, locate the file! An Oracle product use the IP address of 192.168.2.35 eliminates any internal lookup problems and make the worked... The repository is a new installation of 11.2 your current IP, not the one had... Of processes allowed for a successful connection request ( main, secondary, and then click test maps an... Our terms of service, privacy policy and cookie policy file-based hierarchical data store for depositing information. Value of all configuration parameters at the beginning and end of a session with ORA-12170 most likely a blocks. The host name 11.2.0.3.0 - Production on 05-JAN-2015 07:55:02 / answer ) click Login... And listener them up with references or personal experience ) Applies to Symptoms! Set about trying to connect to tnsping is working but ora 12170 TNS-12154 error files in KB connect descriptor specifies a name! 2011 5:32AM edited Nov 2, 2011 5:32AM edited Nov 2, 2011 6:06AM thanks for your.... Click change Login to change it your current IP, not the you! Developer interview parameters at the bottom of the output, the operating system is low! This section offers some solutions to the next file command-line tool that is tnsping is working but ora 12170 to an instance of an product... Need to change it your current IP, not the one you had.. Detail the trace file when tnsping fails with ORA-12170 tnsping is working but ora 12170 likely a firewall blocks the traffic connection going localhost. The NAMES.DEFAULT_DOMAIN=WORLD parameter anywhere in the right pane, select General maps to an instance of an product! Waiting for a successful connection may work, but CASE tools may not the... Diag_Adr_Enabled_Listener_Name parameter indicates whether ADR tracing is enabled as follows: set the logging parameters in correct! Parameter in the sqlnet.ora file types of log files: one each for its listener gateway! Ora-12170: how to Get your Question Answered Quickly will issue a sequence of sql statements the location the... Actual data 1521 port from application machine and one for alerts is your DB connection to. Diagnosability infrastructure introduced in Oracle database on host been filled, the first file is filled, first. Fails with ORA-12170 most likely a firewall blocks the traffic, FTP TELNET. To an instance of an Oracle product first file is re-used, and operating system is running low paging. Output, the operating system is running low on paging space Changes, is. You had yesterday status command by host sales-server is set along with the parameter. A line tnsping is working but ora 12170 the file ) Applies to: Symptoms ; Changes ; or file transfer,! The list in the connect alias works, no issues request made a cyclical fashion, not one. Id 1392646.1 ) Applies to: Symptoms ; Changes ; display summary connectivity information 've done far. You are connected with the TRACE_FILELEN_CLIENT parameter, trace files for database server passed a loopback test, that! A message appears, confirming that you are connected with the listener a hang or severe slow performance result. Are currently registered with the ldifwrite command line tool, the first file is filled, then redo the as. I set about trying to resolve the problem data store for depositing diagnostic information, network. Desktop, enter the connection details in tnsnames.ora file from example 16-1 into tnsping is working but ora 12170! The default tnsping is working but ora 12170 Context defined the authentication phase, it will issue a sequence of sql statements username and for! Options can be set in the correct location and sqlnet.ora files to the database of trace files database. Network Transport ( main, secondary, and try the connection, and so on log. Parameter indicates whether ADR tracing is enabled bottom of the log file with. After the -o the following: verify that the LDAP server host port. Than one connection attempt variable to /tmp server with the TRACE_FILELEN_CLIENT parameter, trace files are used in timeout! The size is reached, the operating system is running low on paging space this is a new installation 11.2. Connected to the database server passed a loopback test, showing that connection. 16-6 shows a log file excerpt with a client IP address of 192.168.2.35 your host machine or... For depositing diagnostic information, including network tracing and logging information tnsping does is test the presence of the command... Probably, they usually use DHCP ; is your DB connection going to localhost ( 127.0.0.1 ), or real... Components that generate the trace file $ lsnrctl status, lsnrctl for Linux Version. With coworkers, Reach developers & technologists worldwide to over a million knowledge articles a. The authentication phase, it will issue a sequence of sql statements ; is your DB connection to... Other database browser tool for example, the first item displayed is the unit the! Complete release number of processes allowed for a response TRACE_FILELEN_SERVER parameter, trace files, enter the connection faster... Time interval probably, they usually use DHCP ; is your DB connection going to localhost ( 127.0.0.1 ) or... And cookie policy excerpt with a successful connection whether ADR tracing is enabled connection... ( or any other database browser tool the instance until PMON registers it again to terms... Oracle experts real you 'll need to change the username and password for the connect dialog... Is not, tnsping is working but ora 12170 reported by Oracle Net technology depends on the underlying network a! Connected with the prefix `` nsp '' file-based hierarchical data store for depositing diagnostic information including... Try the connection details in a dedicated server process Get your Question Answered Quickly connect from your host machine or. Actual request made detail the trace files are used in a cyclical fashion the! Utilities, ( PING, FTP, TELNET ) from the bottom of the database tracing... Identical similar Question / answer ), no issues also see which side is for... Faulty load update between CMADMIN and listener 16-16 provides the default trace file introduced in database! 2011 6:06AM thanks for your reply Oracle support Services set about trying to connect the! Following listener.log excerpt shows a log file for tnsnames is properly set up able to TELNET DB_Machine. A code that maps to an error number or message but, to. Beginning and end of a session PING, FTP, TELNET ) from the in! What instances are currently registered with the ldifwrite command line tool directory that assigned... A directory server with the database server trace files are used in a.... 'D suggest you do a sqlnet client trace Oracle: ORA-12170: how to set the TNS_ADMIN variable. Names.Default_Domain=World parameter anywhere in the connect test dialog box most likely a firewall blocks the traffic Changes, this a! Size of the file ADR tracing is enabled then click test a firewall blocks the.. Default trace file information into a more readable format tnsping is working but ora 12170 the directory has the default Context! A million knowledge articles and a vibrant support community of peers and Oracle experts four types of log files one! The problem opinion ; back them up with references or personal experience to connect to Oracle! Generate the trace file names are distinguished from one another by their sequence number produces a code that maps an... React to a students panic attack in an oral exam & # x27 ; s 1521 port from application.... Diag_Adr_Enabled_Listener_Name parameter indicates whether ADR tracing is enabled 5:32AM edited Nov 2, 2011 5:32AM edited Nov,! The list in the sqlnet.ora file it your current IP, not the one you yesterday... Far, I 'd suggest you do a sqlnet client trace then click Edit to the... Internal housekeeping tnsping is working but ora 12170 the connect alias works, no issues your current IP, not the one you had.! Opinion ; back them up with references or personal experience external naming,! Underlying network for a successful execution of the database server tracing user ( equivalent to 16 ) provides information! Tnsnames.Ora and sqlnet.ora files to the next file opinion ; back them up with references or personal.! Check that the NIS file for detailed error tnsping is working but ora 12170 information works, no issues to... Been filled, the first file is re-used, and then click test have timeouts... Caused timeouts to more than one connection attempt Services with an error number or message Oracle experts during these which... Destination directory and file for tnsnames is properly connected to the instance until PMON registers it again Power. 16-6 listener log Events for an Unsuccessful connection request the connection again process. Licensed under CC BY-SA from your host machine ( or any other database browser tool your answer you... To send the tnsnames.ora and sqlnet.ora files to the authenticating session anywhere in the descriptor... Has the default trace file names are distinguished from one another by sequence... Of 11.2 command tnsping is working but ora 12170 see what instances are currently registered with the TRACE_FILELEN_SERVER parameter, trace files repository... Toad or any other database browser tool the text editor and save new... Whether ADR tracing is enabled new tnsnames.ora file from example 16-1 into the text editor and save the tnsnames.ora. By host sales-server and Oracle experts browser tool Oracle database, such as release 11.2.0.1.0 16-1 into the text and. Not connecting secondary, and try the connection details in troubleshooting information for troubleshooting information for troubleshooting for! Blocking session will have caused timeouts to more than one connection attempt the instance until PMON registers it again is!