How To Fix UMC351 - Distribution list '&1'(valid from:'&2') exists already

SAP Error Message - Details

• Message type: E = Error

• Message class: UMC - General Messages

• Message number: 351

• Message text: Distribution list '&1'(valid from:'&2') exists already

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message UMC351 - Distribution list '&1'(valid from:'&2') exists already ?

  The SAP error message UMC351 indicates that there is an attempt to create a distribution list that already exists in the system. This error typically occurs in the context of SAP's Unified Messaging Connector (UMC) or similar functionalities where distribution lists are used for notifications or messaging.
  Cause:
  The error message UMC351 is triggered when:
  
  You are trying to create a distribution list with a name that already exists in the system.
  The distribution list is valid from a specific date, and the system recognizes that a list with the same name and validity period already exists.
  
  Solution:
  To resolve the UMC351 error, you can take the following steps:
  
  
  Check Existing Distribution Lists:
  
  Navigate to the relevant transaction or application where distribution lists are managed.
  Search for the distribution list using the name provided in the error message (&1).
  Verify if the distribution list already exists and check its validity period.
  
  
  
  Modify or Delete Existing List:
  
  If the distribution list exists and you need to create a new one, consider modifying the existing list if it can be reused.
  If the existing list is no longer needed, you may delete it, provided you have the necessary permissions and it won't affect other processes.
  
  
  
  Use a Different Name:
  
  If you need to create a new distribution list, consider using a different name that does not conflict with existing lists.
  
  
  
  Check Validity Dates:
  
  Ensure that the validity dates for the new distribution list do not overlap with existing lists. Adjust the dates if necessary.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources related to distribution lists and UMC for any specific guidelines or best practices.
  
  
  
  Related Information:
  
  Transaction Codes: Depending on your SAP version, you may use transaction codes like SOST (for sending messages) or specific UMC-related transactions to manage distribution lists.
  User Permissions: Ensure that you have the necessary permissions to create, modify, or delete distribution lists in your SAP environment.
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide additional guidance related to distribution lists and UMC.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.