How To Fix AD241 - Specify an active pool/cluster

SAP Error Message - Details

• Message type: E = Error

• Message class: AD - Data Dictionary application messages

• Message number: 241

• Message text: Specify an active pool/cluster

What causes this issue?

You have specified a pool/cluster that is not active in the ABAP/4
Dictionary.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Activate the pool/cluster.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AD241 - Specify an active pool/cluster ?

  The SAP error message AD241, which states "Specify an active pool/cluster," typically occurs in the context of SAP systems when there is an issue related to the configuration of the application server or the connection to the database. This error is often associated with the use of SAP's Application Server and can arise in various scenarios, such as when trying to connect to a database or when configuring a new instance.
  Cause:
  
  Inactive Pool/Cluster: The error usually indicates that the specified pool or cluster is not active. This could be due to misconfiguration or the pool/cluster not being started.
  Configuration Issues: There may be issues in the configuration files (like instance profile or SAP GUI settings) that do not point to an active instance.
  Network Issues: There could be network connectivity problems preventing the application server from reaching the database or other required services.
  Authorization Issues: The user may not have the necessary permissions to access the specified pool or cluster.
  
  Solution:
  
  Check Pool/Cluster Status: Verify that the pool or cluster you are trying to connect to is active. You can do this by checking the SAP Management Console (SAP MC) or using transaction codes like SM51 to view the status of application servers.
  Review Configuration: Ensure that the configuration files are correctly set up. Check the instance profile and ensure that the parameters related to the pool/cluster are correctly defined.
  Restart Services: If the pool or cluster is inactive, try restarting the relevant services or instances. This can often resolve temporary issues.
  Network Configuration: Check the network settings to ensure that there are no connectivity issues between the application server and the database or other services.
  User Permissions: Ensure that the user has the necessary permissions to access the pool/cluster. You may need to check user roles and authorizations in transaction SU01.
  Check Logs: Review the system logs (transaction SM21) and developer traces (transaction ST22) for any additional error messages that might provide more context on the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error. You can search for relevant notes in the SAP Support Portal.
  Documentation: Refer to the official SAP documentation for guidance on configuring application servers and pools/clusters.
  Community Forums: Consider checking SAP Community forums or other technical forums for similar issues and solutions shared by other users.
  
  If the problem persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.