Hello,I get a lot of errors as the followingIn PerfDataSource, could not find counter MSExchangeFDS:OAB, Download Task Queued, All Instances in Snapshot. Unable to submit Performance value. Module will not be unloaded. One or more workflows were affected by this. Workflow name: Collect__MSExchangeFDS_OAB__Download_Task_Queued._3_Rule Instance name: Microsoft.Exchange.2007.Microsoft_Exchange_2007_Client_Access_Servers_Installation Instance ID: {7461ED39-92E5-8841-0A98-D78C348B582B} Management group: RootMOM I have 30 to 40 servers around the world and i get every day these errors.How can resolve itCould you smoene help?

Hi, Here isa similar issue and the workaround: http://blogs.technet.com/momteam/archive/2008/03/01/performance-module-could-not-find-a-performance-counter.aspxThis issue has been resolved by KB 951979, as Tim posted.Thanks.Yog Li - MSFT