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Exchange 5.5 RPC error in event log

By techgirl75 ·
Getting error 9318 in event viewer. Running Exchange 5.5 SP4 on NT 4.0 SP6 environment. Scenario is have three servers - 1 PDC and 2 BDCs (1 BDC is proxy server runnning proxy 2.0). We just recently added this PDC to our network and demoted the previous PDC to a BDC. We still have Exchange running on the BDC and now we have added the PDC to the Exchange site. We are in the process of deleting the first server (now the BDC) from the site and having the new PDC as the only exchange server. Testing this, we took down the BDC and our mail would not come through. When we brought the BDC back online the mail was coming through fine. Somehow I imagine the mail is being filtered from the BDC (1st server) to the new server (where all the mailboxes,stores, and connectors are stored). I don't know where to go from here. Does it have something to do with host file? I dont wnat to take this server offline until i know the new server is handling it all. thanks- i'm new to exchange, taking it as it comes.

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Exchange 5.5 RPC error in event log

by bhughes923 In reply to Exchange 5.5 RPC error in ...

Make sure your MX records point to the new server. Also, I believe the error 9318 has a few different scenarios involving the MTA. What is the full text of the error message in the event log?

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Exchange 5.5 RPC error in event log

by techgirl75 In reply to Exchange 5.5 RPC error in ...

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Exchange 5.5 RPC error in event log

by curlergirl In reply to Exchange 5.5 RPC error in ...

OK - are you talking internal or external mail that would not work - or both? First, have you moved all of the mailboxes to the new server? If the mailboxes are still on the old server and you take it down, then no one will be able to send or receive any mail at all. The mailboxes must be resident on the server that's running, even though the two servers are in the same site, in order for everything to work. Everyone must be logged off while you move the mailboxes and then when they log on,their workstations should (usually do but I've had occasional problems) find the new mailbox location automatically. (I hope I'm not insulting your intelligence, but it's something you could overlook if you're an Exchange newbie.) If internal mailis OK, look at the Connectors container on the BDC and see if there are any connectors running - Internet Mail Connector is required for external mail, other connectors may be required if you are connecting to sites with other systems such as ccMail, Lotus Notes, etc. If not, the IMC is the only one you need. If that's on the BDC, you must move it to the PDC and made sure that your MX records (local or at your ISP) are pointing to the correct IP address for the new server (if it has a different public address than the old one). To move the IMC, you need to first document all your settings from the old server, then DELETE the IMC from the old server and install an IMC on the new server (File/New Other/Internet Mail System, if I remember correctly). Remember to reinstall your service pack after installing the IMC. The chances are that the MTA errors you saw occurred while the BDC was down. If you have two servers in a site, if one is down or if you stop the Exchange services on it(even if it isn't doing anything), you will get these errors. Ignore them unless you are having trouble with internal email.

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Exchange 5.5 RPC error in event log

by techgirl75 In reply to Exchange 5.5 RPC error in ...

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Exchange 5.5 RPC error in event log

by techgirl75 In reply to Exchange 5.5 RPC error in ...

Full message is as follows:
Event I 9318
Source: MSExchangeMTA
Type: Warning
Category: Interface

An RPC communications error occurred. Unable to bind over RPC. Locality Table (LTAB) index: 160, NT/MTA error code: 1722. Comms error 1722,Binderror 0,Remote Server Name NTSERVER [MAIN BASE 1 500 %10] (14)

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Exchange 5.5 RPC error in event log

by techgirl75 In reply to Exchange 5.5 RPC error in ...

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