I am getting this error when trying to install client access role for my exchange server 2010
can anyone help
Summary: 3 item(s). 1 succeeded, 1 failed.
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Client Access Role
The following error was generated when "$error.Clear(); $InternalOwaUrl="https://
" + $RoleFqdnOrName + "/owa"; new-OwaVirtualDirectory -DomainController $RoleDomainController -InternalUrl $InternalOwaUrl;" was run: "An error occurred while creating the IIS virtual directory 'IIS://DENCOFAM.denco-ente
ROOT/owa' on 'DENCOFAM'.".
An error occurred while creating the IIS virtual directory 'IIS://test.testserver.com
OOT/owa' on 'test'.
ISAPI extension owaauth.dll in group MSExchangeClientAccess wasn't found and its status can't be changed. Please make sure this ISAPI extension (IIS Web service extension) is still listed in IIS Manager. If it's not, it may need to be added again.
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