Top Exchange support issues from the Partner newsgrouphttp://msmvps.com/blogs/bradley/archive/2008/11/11/top-exchange-support-issues-from-the-partner-newsgroup.aspxTOP SUPPORT ISSUES [ISSUE 1] Problem Description: ================ After installing and enabling "QoS Packet Scheduler", the Exchange 2007 server cannot locate the domain controller correctly. Assessment: =========== 1. After enabling "QoSenCommunityServer 2008.5 SP2 (Build: 40407.4157)