How To Fix TN660 - Error in communication with Transport Management System (STMS)

TN660 - Overview

• Message type: E = Error

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

• Message number: 660

• Message text: Error in communication with Transport Management System (STMS)

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?

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Smart SAP Assistant

• What is the cause and solution for SAP error message TN660 - Error in communication with Transport Management System (STMS) ?

  The SAP error message TN660 indicates that there is an issue with communication between the SAP system and the Transport Management System (TMS). This error can occur for various reasons, and understanding the cause is essential for troubleshooting and resolving the issue.
  Causes of TN660 Error
  
  
  TMS 
  Configuration Issues: The TMS may not be properly configured. This includes incorrect settings in the Transport Directory or missing transport routes.
  
  
  Network Issues: There may be network connectivity problems between the SAP systems involved in the transport process.
  
  
  Authorization Issues: The user may not have the necessary authorizations to perform transport operations.
  
  
  Transport Directory Issues: The transport directory may be corrupted or not accessible.
  
  
  System Lock: The target system may be locked or not available for transport operations.
  
  
  RFC Connection Problems: The Remote Function Call (RFC) connections between the systems may not be set up correctly or may be down.
  
  
  Solutions to TN660 Error
  
  
  Check TMS Configuration:
  
  Go to transaction STMS and check