Cannot sign in to Communicator because of a problem connecting to the server. If the problem persists, please contact your system administrator.
Cannot sign in because Communicator cannot subscribe to the System Event Notification Service. Your Windows user account ...
Cannot sign in because the server is temporarily unavailable. If the problem persists, contact your system administrator. ...
Cannot sign in because the server version is incompatible with Microsoft Office Communicator 2007 R2. Contact your system ...
Cannot sign in because you are using a previous version of Communicator. You may need to update your version of Communicator ...
Cannot sign in to Communicator because of a problem connecting to the server. If the problem persists, please contact your ...
Cannot sign in to Communicator because this sign-in address was not found. Please verify the sign-in address and try again. ...
Cannot sign in to Communicator because your computer clock is not set correctly. To check your computer clock settings, open ...
Cannot sign in to Communicator because your program is not configured to use Transport Layer Security (TLS). Please contact ...
Cannot sign in to Communicator using your current connection settings. To change your connection settings, in the Options ...