How To Fix D3195 - DB2 installation parameters that differ from required/recommended values

SAP Error Message - Details

• Message type: E = Error

• Message class: D3 - CCMS - DB2 on OS390

• Message number: 195

• Message text: DB2 installation parameters that differ from required/recommended values

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message D3195 - DB2 installation parameters that differ from required/recommended values ?

  The SAP error message D3195 indicates that there are discrepancies between the DB2 installation parameters and the required or recommended values for optimal performance and stability of the SAP system. This error typically arises during the installation or configuration of the SAP system on a DB2 database.
  Cause:
  The error can be caused by several factors, including:
  
  
  Incorrect DB2 Configuration: The DB2 database may not be configured according to the specifications required by SAP. This can include memory settings, buffer sizes, or other database parameters.
  
  
  Version Mismatch: The version of DB2 being used may not be compatible with the version of SAP being installed, leading to parameter mismatches.
  
  
  Installation Defaults: The default installation settings of DB2 may not align with the recommended settings for SAP.
  
  
  Lack of Required Parameters: Certain parameters that are critical for SAP operation may not be set at all.
  
  
  Solution:
  To resolve the D3195 error, follow these steps:
  
  
  Review SAP Documentation: Check the SAP installation guide for the specific version you are installing. This guide will provide the recommended DB2 parameters.
  
  
  Adjust DB2 Configuration:
  
  Use the db2 get db cfg for <dbname> command to check the current configuration settings.
  Compare these settings with the recommended values from the SAP documentation.
  Use the db2 update db cfg for <dbname> using <parameter> <value> command to update any parameters that do not match the recommendations.
  
  
  
  Check Compatibility: Ensure that the version of DB2 you are using is compatible with your SAP version. If there is a mismatch, consider upgrading or downgrading DB2.
  
  
  Set Missing Parameters: If any required parameters are missing, add them using the appropriate DB2 commands.
  
  
  Re-run the Installation: After making the necessary changes, re-run the SAP installation process to see if the error persists.
  
  
  Related Information:
  
  DB2 Documentation: Refer to the official IBM DB2 documentation for detailed information on configuration parameters.
  SAP Notes: Check SAP Notes related to DB2 installations for any specific recommendations or known issues.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  Example Parameters to Check:
  Some common DB2 parameters that may need to be adjusted include:
  
  DATABASE_MEMORY
  SORTHEAP
  LOCKLIST
  BUFFERPOOL
  LOGPRIMARY and LOGSECOND
  
  Always ensure that you have a backup of your database and configuration before making changes, and consider testing changes in a development environment before applying them to production.