Today, I had a problem with my lab installation of Exchange 2010. The setup is pretty simple of a mixed mode organization having an Exchange 2003 SP2, Exchange Server 2007 SP2 32Bit, and an Exchange 2007 RC1 setup in it.
After installation I noticed that, when I open EMC on Exchange 2010 server and click on Client Access server role under server management node I get a weird error as below:
The EMS on Exchange 2010 server showed up the red lines of death too.
PS] C:>Get-OwaVirtualDirectory |FL
An IIS directory entry couldn’t be created. The error message is Access is deni
. HResult = -2147024891
+ CategoryInfo : NotInstalled: (GLEX2007owa (Default Web Site):A
DObjectId) [Get-OwaVirtualDirectory], IISGeneralCOMException
+ FullyQualifiedErrorId : 46C81F27,Microsoft.Exchange.Management.SystemCon
Turns out, if I have Exchange 2007 server in co-existence with Exchange 2010 the security group “Exchange Trusted Subsystem” needs to be a member of Local Administrators group on an Exchange Server 2007 box.
And, that should be it. The error went away as soon as the security group Exchange Trusted Subsystem was added to local admins group on Exchange server 2007.
Thanks to Henrik for helping me out on this. 🙂