How To Fix RSCV551 - INFORMIX: Environment variable &1 equals &2 (recommended value is &3)

SAP Error Message - Details

• Message type: E = Error

• Message class: RSCV - Analysis of BW objects (InfoCubes...)

• Message number: 551

• Message text: INFORMIX: Environment variable &1 equals &2 (recommended value is &3)

What causes this issue?

The operating system parameter &v1& is set to value &v2&. The
recommenation for this value, however, is &v3&.

How to fix this error?

Please speak to your system, or database, administrator and set the
recommended value in the operating system environment.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSCV551 - INFORMIX: Environment variable &1 equals &2 (recommended value is &3) ?

  The SAP error message RSCV551 related to INFORMIX indicates that an environment variable is set to a value that is not optimal for the system's performance or functionality. The message typically follows this format:
  RSCV551 INFORMIX: Environment variable &1 equals &2 (recommended value is &3)
  Cause:
  This error occurs when the specified environment variable (denoted as &1) is set to a value (&2) that does not meet the recommended configuration (&3). This can happen due to:
  
  Misconfiguration: The environment variable may have been set incorrectly during installation or configuration of the SAP system.
  Default Values: The system may be using default values that are not suitable for your specific environment or workload.
  Changes in Requirements: Updates or changes in the SAP system or the underlying database may require different settings.
  
  Solution:
  To resolve this error, you should:
  
  Identify the Environment Variable: Check which environment variable is causing the issue (this will be indicated as &1 in the error message).
  Check Current Value: Determine the current value of the environment variable (indicated as &2).
  Update the Value: Change the value of the environment variable to the recommended value (indicated as &3). This can typically be done in the shell or command line where the SAP system is running. For example, you might use a command like:
  export VARIABLE_NAME=RECOMMENDED_VALUE
  Replace VARIABLE_NAME with the actual variable name and RECOMMENDED_VALUE with the suggested value.
  
  Restart the SAP System: After making changes to environment variables, it is often necessary to restart the SAP system or the relevant services for the changes to take effect.
  
  Related Information:
  
  Documentation: Refer to the SAP documentation or the specific INFORMIX documentation for details on the environment variable in question and its recommended settings.
  SAP Notes: Check SAP Notes for any specific guidance or updates related to the error message RSCV551.
  System Performance: Monitor the system performance after making changes to ensure that the new settings are effective and do not introduce new issues.
  Consult with Basis Team: If you are unsure about making changes to environment variables, consult with your SAP Basis team or a qualified SAP consultant.
  
  By following these steps, you should be able to resolve the RSCV551 error and optimize your SAP system's configuration.