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Outlook 2000 returns interface error

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4 replies

by wprejean

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Very often when I am composing and sending a message with an attachment in Outlook 2000, I get an error stating that there was an interface error and the message doesn't get sent. I see this happening if I take awhile to compose the message and theautosave takes place. I can then copy the contents into a new message and send it. Any solution / recommendation?

4 replies

by wprejean

The exact error is: "The messaging interface has returned an unknown error. If the problem persists, restart Outlook."

by jon_harvey

Possible reasons for this error. from Microsoft KB.

This problem may occur if you have exceeded the built-in .pst size limit. Q283175

Your mailbox has been moved from one server to another. Q271982

If you try to forward a message and it happens see Q275186.

If you are sending to a distribution list, see Q222329

Hope one of these helps.

by wprejean

Article Q275186 describes it perfectly. It is a bug. There is a supported fix from Microsoft. I'm working with my I.T. staff to obtain the fix.

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