While migrating from exchange 2003 to exchange 2010 you see mail queus building up between the exchange 2010 server send mail to exchange 2003. The error yuo see is Exchange 2010 Queue 451 4.4.0 Primary target IP address responded with: “451 5.7.3 Cannot achieve Exchange Server authentication. Solution here.
This guide will show you how to create a certificate request in iis7 wither a standard certificate or Wildcard Certificate, buy a certificate and install it into your website in iis7 by answering the cert request. Applies to Server 2012 and 2008
When promoting a server 2012 domain controller you see this error. Verification of prerequisites for Active Directory preparation failed. Unable to perform Exchange schema conflict check for contoso.local.
Exception: Access is denied.