Onboarding Azure Local to Azure Arc Failed – Error AZCM0026

Hello,

I'm experiencing an issue while onboarding Azure Local to Azure Arc. The bootstrap process fails with the following error:

shell
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Bootstrap failed: A ArcAgentConnectionException error occurred with the message:  
'AZCMAgent command failed with error:  
  >> exitcode: 26;  
  >> errorcode: AZCM0026;  
  >> errormsg: Network Error;  
Additional Info: See https://aka.ms/arc/azcmerror'

Here is the response output:

json
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{
  "Version": "V1",
  "Response": {
    "Name": "Bootstrap",
    "Status": "Failed",
    "Errors": [
      {
        "ErrorMessage": "A ArcAgentConnectionException error occurred with the message: 'AZCMAgent command failed with error:  >> exitcode: 26; >> errorcode: AZCM0026 ; >> errormsg: Network Error ;. Additional Info: See https://aka.ms/arc/azcmerror'",
        "StackTrace": "   at Microsoft.Azure.Edge.Bootstrap.Management.Orchestration.WorkItem.OrchestrationWorkItem.OnMainWork(IJobControl control)",
        "ExceptionType": "MaeConvertedException",
        "RecommendedActions": [
          "Please contact Microsoft support."
        ]
      }
    ]
  }
}

I have already verified the following:

• All required endpoints are accessible from the host.

Firewall rules are correctly configured, and no traffic is blocked.

Outbound connectivity to the internet is available.

Despite these checks, the bootstrap process still fails with the same error.

Could you please assist me in identifying the cause of this issue and how to resolve it?

Best regards,