SAP Knowledge Base Article - Preview

2228919 - When Trying To Establish a Connection to a Loopback Server, it fails - SAP ASE


  • After running the following command successfully:  sp_addserver loopback, null, @@servername

  • The following command fails:  exec loopback...sp_who

  • With one of the following error messages:
    • Can't open a connection to site 'XXXXX'. See the error log file in the ASE boot directory
    • Can't open a connection to site 'XXXXX' because 'set up channel' message was not acknowledged.



  • SAP Adaptive Server Enterprise (ASE) 15.0
  • SAP Adaptive Server Enterprise (ASE) 16.0


SAP Adaptive Server Enterprise 16.0 ; Sybase Adaptive Server Enterprise 15.0


loopback, connection , KBA , BC-SYB-ASE-CE , ASE Cluster Edition (Standalone) , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Problem

About this page

This is a preview of a SAP Knowledge Base Article. Click more to access the full version on SAP for Me (Login required).

Search for additional results

Visit SAP Support Portal's SAP Notes and KBA Search.