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SMS Discovery Agent

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by mcostello

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My SMS NT logon discovery agent service won't start. When I try to start it I get the message "error 2186 service is not responding to the control function".

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by jbaumann

Not sure whether you are in a test or production environment...whether we are talking about one DC or many.

As you know, when the Windows Networking Logon Discovery method is enabled, the NT Logon Discovery Agent is installed on every DC in the site server's domain.

Is this service functional on other Domain Controllers?

If you are in a test lab situation and dealing with only one DC which is the site server and the service on this box is not functional then I would ask you if you had previosly:
1. Enabled Windows Networking Logon Discovery
2. Then disabled it
3. Then enabled it again.

The disabling would have attempted to remove the service from the DC. I have seen cases where this does not occur cleanly and the remnants of this service must be manually removed from the registry. This must be done before the service can be reinstalled by the reenabling of the discovery method.

Is this the only DC in the domain where the NT Logon Discovery Agent service in not functioning?

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