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Exchange 5.5 and NAV for Exchange 2.0

By cmatthews ·
I have an Exchange 5.5 server running service pack 4. NAV for Exchange was installed and after reboot it did not allow clients to connect through POP3. The first time this happened I removed NAV and reran the NT Service Pack 6a which cleared the problem. This time when it happened POP3 will not initialize and creates an event log. Micorsoft site says it is something holding the port. I run netstat -an and I see the loopback address listening on 110. Symantec has not been much help. Has anyone had a similar problem and how can be sure it is NAV for Exchange that is actually the program listening on port 110 on the loopback address.

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Exchange 5.5 and NAV for Exchange 2.0

by brasslet In reply to Exchange 5.5 and NAV for ...

I use a very similar setup, but I don't allow the of use POP3 mail.

The only reason I know of that NAV will grab a port like that is if you pick that port (110) for use with the NAVMSE web interface. You can check that by looking at registry keyHKEY_Local_Machine\Software\Symantec\NAVMSE\2.1

Double-click Server Port in the right pane, then click on the decimal button to display the port you're using. If it says 110, that's the culprit.

If not, try stopping the NAV service, or unistall without doing anything else and see if you get your port back.

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Exchange 5.5 and NAV for Exchange 2.0

by cmatthews In reply to Exchange 5.5 and NAV for ...

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Exchange 5.5 and NAV for Exchange 2.0

by isys In reply to Exchange 5.5 and NAV for ...

Symantec hijacks port 110 to screen the mail and redirects it to another port. The trick is finding what port it is using. And you might look at TrendMicro as an alternative.

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Exchange 5.5 and NAV for Exchange 2.0

by cmatthews In reply to Exchange 5.5 and NAV for ...

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Exchange 5.5 and NAV for Exchange 2.0

by cmatthews In reply to Exchange 5.5 and NAV for ...

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