How To Fix ORA_ISQ011 - Connection to target DB not available

SAP Error Message - Details

• Message type: E = Error

• Message class: ORA_ISQ - Messages for RSORAISQ

• Message number: 011

• Message text: Connection to target DB not available

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message ORA_ISQ011 - Connection to target DB not available ?

  The error message "ORA_ISQ011 Connection to target DB not available" typically indicates that there is an issue with the connection between your SAP system and the Oracle database. This can occur due to various reasons, including network issues, database server downtime, configuration problems, or incorrect connection parameters.
  Causes:
  
  Database Server Down: The Oracle database server may be down or not reachable.
  Network Issues: There could be network connectivity problems between the SAP application server and the Oracle database server.
  Incorrect Connection Parameters: The connection parameters (like hostname, port, service name, or SID) may be incorrect in the SAP configuration.
  Listener Issues: The Oracle listener may not be running or configured correctly.
  Firewall Restrictions: Firewalls may be blocking the connection to the database.
  Resource Limitations: The database may be experiencing resource limitations (e.g., too many connections).
  Configuration Issues: There may be issues with the SAP or Oracle configuration that prevent a successful connection.
  
  Solutions:
  
  Check Database Status: Ensure that the Oracle database is up and running. You can do this by logging into the database server and checking the status.
  Verify Network Connectivity: Use tools like ping or tnsping to check if the SAP server can reach the Oracle database server.
  Review Connection Parameters: Double-check the connection parameters in the SAP configuration (e.g., DB connection settings in the SAP profile or transaction codes like DBACOCKPIT).
  Check Oracle Listener: Ensure that the Oracle listener is running. You can check this by using the command lsnrctl status on the database server.
  Firewall Configuration: Verify that there are no firewall rules blocking the connection between the SAP application server and the Oracle database.
  Monitor Database Resources: Check the database for any resource limitations or issues that may be affecting connectivity.
  Review SAP Logs: Check the SAP logs for any additional error messages or information that may provide more context about the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error. You can search the SAP Support Portal for relevant notes.
  Oracle Documentation: Refer to Oracle documentation for troubleshooting database connectivity issues.
  SAP Transaction Codes: Use transaction codes like DBACOCKPIT or SM21 to monitor database connections and logs.
  Network Tools: Utilize network diagnostic tools to trace the connection path and identify any potential issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to involve your database administrator (DBA) or SAP support for further assistance.