IIS is configured to create 32-bit worker processes on 64-bit Windows Server '{2}'. This will break virtual directories for ...

IIS is configured to create 32-bit worker processes on 64-bit Windows Server '{2}'. This will break virtual directories for Exchange Server 2007. You can configure IIS to run 64-bit applications only by setting 'w3svc/AppPools/Enable32BitAppOnWin64' metabase property to 0.