帮忙看看Userenv错误是什么的意思

rongjundg

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服务器windows2003下安装的Exchange 2003<br>
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产生错误记录,帮忙看看错误是什么的意思及原因<br>
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Windows cannot query for the list of Group Policy objects. Check the event log for possible <br>
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messages previously logged by the policy engine that describes the reason for this.<br>
请大家帮忙!!!<br>