How To Fix BT661 - Only specify target server or target server group - not both

BT661 - Overview

• Message type: E = Error

• Message class: BT - Background processing messages

• Message number: 661

• Message text: Only specify target server or target server group - not both

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.

BT661 - Details

• The SAP error message BT661 indicates that there is a conflict in the configuration of a target server and a target server group in a background job or a similar process. Specifically, it means that both a target server and a target server group have been specified, which is not allowed. You can only specify one of them at a time.
  
  Cause:
  The error occurs when:
  
  A background job or process is configured to run on both a specific target server and a target server group simultaneously.
  This can happen due to incorrect settings in the job definition or when using transaction codes like SM36 (for job scheduling) or similar.
  
  
  Solution:
  To resolve the error, you need to ensure that you only specify either a target server or a target server group, but not both. Here are the steps to fix the issue:
  
  
  Access the Job Definition:
  
  Go to transaction code SM36 to define or modify the background