5116 12 Install-ExchangeOrganization 0 Microsoft.Exchange.Management.Deployment.ScriptExecutionException: The following error was generated when "$error.Clear(); buildToBuildUpgrade-ExsetDataAtom -AtomName OrgLevelCt -DomainController $RoleDomainController" was run: "An error occurred with error code '2147950640' and message 'There is no such object on the server.'.". ---> Microsoft.Exchange.Management.Deployment.ExsetdataException: An error occurred with error code '2147950640' and message 'There is no such object on the server.'. --- End of inner exception stack trace --- {b6c3a2bd-cd44-4317-889d-fb385d1e865d}

Hi,What is the OS for the machine? Windows server 2003 or Windows server 2008?Do you have SCW configured?Do you have anti-virus application installed on the machine?Do you have legacy exchange installed in the network?Please try to use adsiedit.exe to check if we have exchagne related configuration container there.Besides,please try to use DCdiag to check the health of DC. Domain Controller Diagnostics Tool (dcdiag.exe)<!----> http://technet.microsoft.com/en-us/library/cc776854(WS.10).aspxRegards,Xiu

The problem was one of the DC role holders was missingRobbie