Unable to load Active Directory user for the destination mailbox at the end of the move. Error: {0}. The source-side mailuser may have been stamped with an incorrect ExternalEmailAddress.
Unable to get delegation token target because the TargetApplicationUri property for the organization relationship isn't set. ...
Unable to get the requested security access token because Authz context handle for client context {0} is null or invalid. ...
Unable to identify a suitable account namespace. The account namespace must be a hybrid domain that doesn't contain the Office ...
Unable to link the folder '{0}' of default folder type '{1}' to the managed folder mailbox policy. Only one folder of a given ...
Unable to load Active Directory user for the destination mailbox at the end of the move. Error: {0}. The source-side mailuser ...
Unable to load assembly from file {0} using setup arguments {1}, source directory is {2}, target directory is {3} and Exchange ...
Unable to match the specified hostname "{0}" to a fully qualified domain name (FQDN). Please retry the command using the ...
Unable to match the specified hostname "{0}" to a fully qualified domain name (FQDN). The operation failed with Active Directory ...
Unable to mount database "{0}" because its database file is missing. You can recover the database by using a healthy database ...