Check this link, This error is by problem networking. 1722 indicate RCP problems, use RPCping for check conectivity
http://www.eventid.net/display.asp?eventid=9318+&source=MSExchangeMTA -----Original Message----- From: Brian Bauer [mailto:[EMAIL PROTECTED]] Sent: Wednesday, December 19, 2001 5:52 PM To: MS-Exchange Admin Issues Subject: An RPC communications error occurred...PLEASE HELP Event Type: Warning Event Source: MSExchangeMTA Event Category: Interface Event ID: 9318 Date: 12/19/2001 Time: 3:42:43 PM User: N/A Computer: JAG_EXCHANGE2 Description: An RPC communications error occurred. Unable to bind over RPC. Locality Table (LTAB) index: 185, NT/MTA error code: 1722. Comms error 1722, Bind error 1722, Remote Server Name JAG-EXCH-03 [MAIN BASE 1 500 %10] (14) List Charter and FAQ at: http://www.sunbelt-software.com/exchange_list_charter.htm List Charter and FAQ at: http://www.sunbelt-software.com/exchange_list_charter.htm