How To Fix DBMAN691 - DB2/UDB:

SAP Error Message - Details

• Message type: E = Error

• Message class: DBMAN - Data Manager Message Class

• Message number: 691

• Message text: DB2/UDB:

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?

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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 DBMAN691 - DB2/UDB: ?

  The SAP error message DBMAN691 typically indicates a problem related to the database connection or database management in the context of SAP systems using DB2/UDB (IBM Db2 Universal Database). This error can arise due to various reasons, including issues with the database configuration, connectivity problems, or resource limitations.
  Cause:
  
  Database Connection Issues: The SAP system may not be able to connect to the DB2 database due to incorrect connection parameters (like hostname, port, database name, user credentials).
  Database Configuration: There may be misconfigurations in the DB2 database settings or the SAP instance configuration.
  Resource Limitations: The database server may be running out of resources (like memory, CPU, or disk space), leading to connection failures.
  Network Issues: Network problems between the SAP application server and the DB2 database server can also cause this error.
  Database Locking: If the database is locked or in a recovery state, it may not accept new connections.
  
  Solution:
  
  Check Connection Parameters: Verify the connection parameters in the SAP system configuration (e.g., DB02 transaction) to ensure they are correct.
  Database Status: Check the status of the DB2 database to ensure it is up and running. You can use DB2 commands like db2 list db directory to check the database status.
  Resource Monitoring: Monitor the resource usage on the DB2 server to ensure it has enough memory, CPU, and disk space. Use tools like db2top or db2 get db cfg to check configurations.
  Network Configuration: Ensure that there are no network issues between the SAP application server and the DB2 database server. Check firewalls, network routes, and connectivity.
  Database Locks: Investigate if there are any locks on the database that might be preventing connections. You can use DB2 commands to check for locks and resolve them if necessary.
  Review Logs: Check the SAP and DB2 logs for any additional error messages or warnings that could provide more context about the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to DBMAN691 for specific guidance or patches that may address known issues.
  DB2 Documentation: Refer to the IBM Db2 documentation for troubleshooting database connection issues and understanding error codes.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support or your database administrator for further assistance.