I have windows 2003 Server, after update SP2 I received this message at event viewer every second "he description for Event ID ( 100 ) in Source ( StatisticsManagerClient ) cannot be found. The local computer may not have the necessary registry information or message DLL files to display messages from a remote computer. You may be able to use the /AUXSOURCE= flag to retrieve this description; see Help and Support for details. The following information is part of the event: Mon Oct 11 06:54:08 2010 4532 WARN Error hr=0x80070005 Access is denied." Any some help Thanks Ahmed Abdealla

Hi, Please follow these posts and update me if everything is fine: http://www.networksteve.com/exchange/topic.php/Trying_to_figure_out_why_exchange_stopped_accepting_emails_at_6:/?TopicId=16254&Posts=4 http://social.technet.microsoft.com/Forums/en-US/forefrontexchange/thread/b515421a-a306-470f-9713-447dc9bef97b BTW - do you have Forefront/Antigen on your server?Netanel Ben-Shushan, IT Consultant & Trainer | Website (Hebrew): http://www.ben-shushan.net | IT Services: http://www.ben-shushan.net/services | Weblog (Hebrew): http://blogs.microsoft.co.il/blogs/netanelb | E-mail: msilforums@ben-shushan.net

Or any other 3rd part software? Jonas Andersson MCTS: Microsoft Exchange Server 2007/2010 | MCITP: EMA 2007/2010 | MCSE/MCSA Blog: http://www.testlabs.se/blog

Hi Ahmed, Do you have Exchange server? Seems like this is an Windows Server problem. You may need to go to Server Forum. http://social.technet.microsoft.com/Forums/en-US/winservergen/threadsFrank Wang