How To Fix GS856 - No RFC connection maintained for updating the set buffer

GS856 - Overview

• Message type: E = Error

• Message class: GS - Sets

• Message number: 856

• Message text: No RFC connection maintained for updating the set buffer

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 GS856 - No RFC connection maintained for updating the set buffer ?

  The SAP error message GS856, which states "No RFC connection maintained for updating the set buffer," typically occurs in the context of Remote Function Call (RFC) connections in SAP systems. This error indicates that the system is unable to maintain a connection to update the set buffer, which is often related to issues with the configuration of RFC connections or the underlying network.
  Causes:
  
  RFC Connection Issues: The RFC connection to the target system may not be properly configured or may be down.
  Network Problems: There could be network issues preventing the SAP system from reaching the target system.
  Authorization Issues: The user may not have the necessary authorizations to establish an RFC connection.
  System Configuration: The system may not be configured to allow updates to the set buffer.
  Buffer Issues: The buffer itself may be corrupted or not properly initialized.
  
  Solutions:
  
  
  Check RFC Connection:
  
  Go to transaction SM59 and verify the configuration of the RFC destination. Ensure that