Couldn't validate the recipient's email server certificate. The certificate isn't signed by a trusted certificate authority.
Couldn't switch the mailbox into Sync Source mode. This could be because of one of the following reasons: Another administrator ...
Couldn't update mailbox '{0}' because it is hosted on a legacy Exchange server. Update the mailbox from the server on which ...
Couldn't update the primary SMTP address because this mailbox is configured to use an email address policy. To disable the ...
Couldn't validate the recipient's email server certificate. The certificate isn't being used for a purpose specified by its ...
Couldn't validate the recipient's email server certificate. The certificate isn't signed by a trusted certificate authority. ...
Couldn't validate the recipient's email server certificate. The certificate's subject name doesn't match the domain name ...
Couldn't validate the recipient's email server certificate. The server couldn't verify whether the certificate was revoked. ...
Couldn't validate the recipient's email server certificate. The validity periods of the certification chain don't nest correctly. ...
Create a federation trust with the Microsoft Federation Gateway for the purposes of sharing calendars and contacts, accessing ...