Get-OWAVirtualDirectory Access is Denied on Exchange 2010

When attempting to open “Server Configuration>Client Access” from the Exchange Management Console, you receive the following error: _An IIS directory entry couldn’t be created. The error message is Access is denied. HResult = -2147024891 It was running the command ‘Get-OwaVirtualDirectory’.

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Running the command listed in the error in the Exchange Management Shell gives you some additional information:

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To resolve this issue, add the “domainExchange Trusted Subsystem” group to the local administrators group of all of your exchange servers_._

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