How To Fix DBMAN656 - DB2/UDB:

SAP Error Message - Details

• Message type: E = Error

• Message class: DBMAN - Data Manager Message Class

• Message number: 656

• 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DBMAN656 - DB2/UDB: ?

  The SAP error message DBMAN656 typically indicates a problem related to the database connection or configuration when using DB2/UDB (IBM Db2 Universal Database). This error can arise due to various reasons, including issues with the database instance, connection parameters, or network problems.
  Cause:
  
  Database Instance Issues: The DB2 database instance may not be running or may have encountered an error.
  Connection Parameters: Incorrect connection parameters (like hostname, port, database name, user credentials) in the SAP system configuration.
  Network Issues: Network connectivity problems between the SAP application server and the DB2 database server.
  Resource Limitations: The database may be running out of resources (like memory or disk space).
  Configuration Issues: Misconfiguration in the DB2 database settings or SAP system settings.
  
  Solution:
  
  Check Database Status: Ensure that the DB2 database instance is up and running. You can use the command line to check the status of the DB2 instance.
  db2 get dbm cfg
  
  Verify Connection Parameters: Double-check the connection parameters in the SAP system configuration (e.g., DBACOCKPIT or RZ10 for profile parameters).
  Network Connectivity: Test the network connection between the SAP application server and the DB2 server. You can use tools like ping or telnet to check connectivity.
  Review Logs: Check the DB2 logs for any errors or warnings that might provide more context about the issue. The logs can usually be found in the db2diag.log file.
  Resource Monitoring: Monitor the resource usage on the DB2 server to ensure it is not running out of memory or disk space.
  Restart Services: If necessary, restart the DB2 instance and/or the SAP application server to clear any transient issues.
  Consult Documentation: Refer to the SAP and DB2 documentation for any specific configuration settings or troubleshooting steps related to your version.
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error message.
  DB2 Documentation: Review the IBM Db2 documentation for troubleshooting database connection issues.
  Community Forums: Look for discussions in SAP Community or other forums where similar issues have been addressed.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support or your database administrator for further assistance.