Getting the following message when installing CAS role:
Client Access Role
Failed
Error:
An error occurred while creating the IIS virtual directory ‘IIS://AMValue-AP01.amvalue.local/W3SVC/1/ROOT/owa’ on ‘AMVALUE-AP01’.
ISAPI extension owaauth.dll in group MSExchangeClientAccess was not found, and its status cannot be changed. Make sure that IIS Web Service Extension is still listed in Internet Information Services (IIS) Manager. If not, it may need to be added again.
Elapsed Time: 00:00:17
Mailbox Role
Cancelled