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Event ID: 1007 Source: Userenv

Source
Level
Description
Windows cannot determine the associated site for this computer. (There are currently no logon servers available to service the logon request. ). Group Policy processing aborted.
Comments
 
As per Microsoft: "A network connectivity or network configuration problem is preventing Group Policy settings from being applied. Group Policy processing for the computer or user has failed and will continue to fail until this error is resolved". See MSW2KDB for more details.

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