Error (2927) - (Unknown error (0x803380e4)) when trying to add a Host or Cluster to System Center Virtual Machine M...

[System-Center-Team]

First published on TECHNET on Jan 31, 2012

Here’s a new Knowledge Base article we published today that applies to both VMM 2008 and VMM 2012. This one talks about an error you can get when trying to add a Host or Cluster to System Center Virtual Machine Manager:

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Symptoms

Adding a Hyper-V Host or Cluster to a System Center Virtual Machine Manager (SCVMM) server generates the following error message:

Error (2927)
A Hardware Management error has occurred trying to contact server <FQDN_Name>.
(Unknown error ( 0x803380e4 ))

Recommended Action
Check that WinRM is installed and running on server <FQDN_Name> . For more information use the command "winrm helpmsg hresult".

Cause

This can occur when the WinRM Trusthost policy of the SCVMM server is set to blank. The default is TrustedHosts = * . To determine the WinRm Trusthost setting, run the following command on the SCVMM server from an elevated command prompt:

winrm g winrm/config

Here is a snippet from a Host where the WinRM Trusthost policy is set to blank:

DefaultPorts
HTTP = 5985
HTTPS = 5986
TrustedHosts
Service
RootSDDL = O:NSG:BAD:P(A;;GA;;;BA)S:P(AU;FA;GA;;;WD)(AU;SA;GWGX;;;WD)

Here is a snippet from a Host where the WinRM Trusthost policy is set to the default setting:

DefaultPorts
HTTP = 5985
HTTPS = 5986
TrustedHosts = *
Service
RootSDDL = O:NSG:BAD:P(A;;GA;;;BA)(A;;GA;;;S-1-5-21-2210657229-244641257.

Resolution

To resolve this issue, run the following command from an elevated command prompt with Administrative rights on the SCVMM server:

winrm/config/client @{TrustedHosts="*"}

More Information

The issue described above can be created by deploying a Windows Remote Management (WinRM) AD Group Policy and then removing it, leaving the server in an unknown state once the policy is removed.

GP Policy vs. Preference vs. GP preferences: http://blogs.technet.com/b/grouppolicy/archive/2008/03/04/gp-policy-vs-preference-vs-gp-prefere...

Local Group policy setting found running gpedit.msc:

Local Computer Policy -> Computer Configuration -> Administrative Templates ->Windows Components -> Windows Remote Management (WinRM) -> WinRM Client

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For the most current version of this article please see the following:

2668596 : Error (2927) - (Unknown error (0x803380e4)) when trying to add a Host or Cluster to S...

J.C. Hornbeck | System Center & Security Knowledge Engineer

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