I added a new Exchange 5.5 SP4 server to an existing site. I am getting the following error in Event Viewer. Source: MSExchangeMTA Category: Interface Event ID: 9318 An RPC communications error occurred. Unable to bind over RPC. Locality Table (LTAB) index: N, NT/MTA error code: 1722. Comms error 1722, Bind error 0, Remote Server Name: Servername {MAIN BASE 1 500 %10] [14] N = This number varies. Servername = Displays the other servers in our Exchange site. Any advice or suggestions would be greatly appreciated!! Thank you, Tina Newhouse ccn@xxxxxxxx CONFIDENTIAL & PRIVILEGED Unless otherwise indicated or obvious from the nature of the above communication, the information contained herein may be an attorney-client privileged and confidential information/work product. The communication is intended for the use of the individual or entity named above. If the reader of this transmission is not the intended recipient, you are hereby notified that any dissemination, distribution or copying of this communication is strictly prohibited. If you have received this communication in error or are not sure whether it is privileged, please immediately notify us by return e-mail and destroy any copies, electronic, paper or otherwise, which you may have of this communication.