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CEM agents cannot register with NS, Error: Failed to resolve target address , the address will be ignored, error: No such host is known (11001)

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Article ID: 237977

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Updated On:

Products

Client Management Suite

Issue/Introduction

CEM agents cannot register with the NS:

  • Failed to build CEM gateway address list, CEM gateways info is not available
  • Failed to connect to CEM gateway, error: The system cannot find the file specified (0x00000002)
  • The resolvable target address '<FQDN>' from list '<FQDN>' was not available recently, the address will be ignored
  • Failed to resolve target address '<Server Alternative Name>:443' from list '<Server Alternative Name>', the address will be ignored, error: No such host is known (11001)
  • Failed to resolve outbound addresses '<FQDN>', error: No such host is known (11001)

 

Cause

Priority of server names in the communication profile!

Environment

Release: 8.x

Resolution

In the Notification Server communication profile, there were 2 addresses for HTPPS Communication Hosts.

One with the FQDN name and one with the DNS name (Server's Alternative name). 

after changing the priority and bringing the DNS name first, the issue is resolved.