In Exchange Server 2013, 64 bit OS We are getting Two events repeatedly.
Could not load all ISAPI filters for site 'EXCHANGE BACK END'. Therefore site startup aborted (Event id 2268)
The HTTP Filter DLL E:\Program Files\Microsoft\Exchange Server\V15\ClientAccess\owa\auth\owaauth.dll failed to load. The data is the error (Event id 2214)