/ISDFPS/IM_CUA002 - No connection to the logical central system

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISDFPS/IM_CUA -

• Message number: 002

• Message text: No connection to the logical central system

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?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

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.

AnswerBot

• What is the cause and solution for SAP error message /ISDFPS/IM_CUA002 - No connection to the logical central system ?

  The SAP error message /ISDFPS/IM_CUA002 No connection to the logical central system typically indicates that there is an issue with the connection between the SAP system you are working on and the logical central system (often referred to as the Central User Administration or CUA system). This can occur in environments where multiple SAP systems are managed centrally.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the logical central system.
  Configuration Errors: The configuration settings for the logical central system may be incorrect or incomplete.
  Authorization Issues: The user may not have the necessary authorizations to connect to the logical central system.
  System Downtime: The logical central system may be down for maintenance or other reasons.
  RFC Connection Issues: The Remote Function Call (RFC) connection to the logical central system may not be set up correctly or may be inactive.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the network connection between the systems is stable and functioning. You can use tools like ping or traceroute to test connectivity.
  Verify Configuration:
  
  Go to transaction SU01 and check the user settings.
  Use transaction SCUA to check the configuration of the Central User Administration.
  Ensure that the logical central system is correctly defined in the system settings.
  
  
  Check RFC Connections:
  
  Use transaction SM59 to check the RFC destination settings for the logical central system.
  Test the connection to ensure it is active and functioning correctly.
  
  
  Review Authorizations: Ensure that the user has the necessary authorizations to access the logical central system. You may need to consult with your security team to verify this.
  Check System Status: Verify if the logical central system is up and running. If it is down, you may need to wait until it is back online or contact your system administrator.
  Review Logs: Check the system logs for any additional error messages or warnings that may provide more context about the issue.
  
  Related Information:
  
  Transaction Codes:
  
  SM59: For managing RFC connections.
  SCUA: For Central User Administration settings.
  SU01: For user management.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for Central User Administration and RFC connections for more detailed guidance.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.