2105266 - How to reset SAP Diagnostics Agent server name or unassign it

• There is a requirement to assign the Diagnostics Agent to a different server. 
• Unassign the current Diagnostics Agent.
• The Diagnostics Agent cannot be unassigned from a host from the Managed System Configuration, it fails with the following error. message even though 'Full Host Name' shows 'No Server Name' in the Agent Administration.

  Application Error 
  Reset server name for agent '<agent name>' failed

  
  

Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental.

SAP Solution Manager 7.2

KBA , SV-SMG-DIA-SRV-AGT , Agent Framework , Problem