How To Fix TN630 - Target system inst. no. &1 does not match local inst. no. &2

TN630 - Overview

• Message type: E = Error

• Message class: TN - Support Package Manager (SPAM) Messages

• Message number: 630

• Message text: Target system inst. no. &1 does not match local inst. no. &2

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message TN630 - Target system inst. no. &1 does not match local inst. no. &2 ?

  The SAP error message TN630 indicates a mismatch between the target system instance number and the local instance number. This typically occurs during a process where a connection to another SAP system is being established, such as during remote function calls (RFC) or when trying to access a different SAP system.
  
  Cause:
  The error message TN630 is caused by one of the following reasons:
  
  Configuration Mismatch: The target system's instance number does not match the instance number configured in the local system. This can happen if the target system has been changed or if the configuration settings in the local system are incorrect.
  Incorrect RFC Destination: The RFC destination may be incorrectly configured, pointing to the wrong instance or system.
  System Copy or Migration: If a system copy or migration has occurred, the instance numbers may not have been updated correctly in the configuration.
  
  
  Solution:
  To resolve the TN630 error, you can follow these steps:
  
  
  Check RFC Destination:
  
  Go