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Event ID: 5575 Source: NETLOGON

Source
Level
Description
Deregistration of the DNS record 'gc._msdcs.computer.com. 600 IN A 192.168.4.1' failed with the following error: DNS bad key.
Comments
 
This error message is logged in the System event log when the Netlogon service on a domain controller cannot deregister an individual resource record. The event description contains the name of this resource record and other DNS parameters that are used for the deregistration attempt.

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