SAP Knowledge Base Article - Preview

2352097 - Enterprise Manager is offline due to error ' Unable to open connection to host <emhost>:<webviewport>' - Solution Manager 7.1


In the Basic Configuration, the Enterprise Manager status is red (offline), the defaultTrace.rfc file of the Solution Manager JAVA stack shows the following error to contact the EM:
[EXCEPTION] {0} Unable to open connection to host "<emhost>:<webviewport>". The host is down or unavailable..





  • SAP Solution Manager 7.10
  • SAP Solution Manager Diagnostics
  • CA Introscope Enterprise Manager


SAP Solution Manager 7.1


KBA , SV-SMG-DIA-WLY-EMS , Enterprise Manager Setup , Problem

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