IMessage's PR_ENTRYID changes with Outlook 2003 SP2

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Chuck Bohling - 14 Oct 2005 02:37 GMT

I just installed 2003 SP2 and now, when I accept a meeting invitation, the
original PR_ENTRYID for the meeting is changed to something different. I
thought entryid's where non-volatile so long as the message was not moved to
another folder.

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Chuck Bohling - 14 Oct 2005 03:34 GMT

I'm using PST not exchange.

>I just installed 2003 SP2 and now, when I accept a meeting invitation, the
>original PR_ENTRYID for the meeting is changed to something different. I
>thought entryid's where non-volatile so long as the message was not moved
>to another folder.

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Sue Mosher [MVP-Outlook] - 14 Oct 2005 04:23 GMT

In an effort to solve a lot of problems related to disappearing messages, SP2 introduces a new behavior. Information on it has been available for several months at http://support.microsoft.com/?id=899919. Bottom line is that appointment EntryIDs cannot be relied on as permanent. You will need to use another ID instead. The article provides suggestions.

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Sue Mosher, Outlook MVP
Author of Configuring Microsoft Outlook 2003
http://www.turtleflock.com/olconfig/index.htm
and Microsoft Outlook Programming - Jumpstart for
Administrators, Power Users, and Developers
http://www.outlookcode.com/jumpstart.aspx

>I just installed 2003 SP2 and now, when I accept a meeting invitation, the
> original PR_ENTRYID for the meeting is changed to something different. I
> thought entryid's where non-volatile so long as the message was not moved to
> another folder.

Reply to this Message

Chuck Bohling - 15 Oct 2005 20:25 GMT

Thanks for the info. According to the article, the new entryid design was
introduced to solve problems with cached mode. I assume they mean cached
mode with exchange. Do you know it the PST has similar problems? I wouldn't
think so.

In an effort to solve a lot of problems related to disappearing messages,
SP2 introduces a new behavior. Information on it has been available for
several months at http://support.microsoft.com/?id=899919. Bottom line is
that appointment EntryIDs cannot be relied on as permanent. You will need to
use another ID instead. The article provides suggestions.

Signature

>I just installed 2003 SP2 and now, when I accept a meeting invitation, the
> original PR_ENTRYID for the meeting is changed to something different. I
> thought entryid's where non-volatile so long as the message was not moved
> to
> another folder.

Reply to this Message

Sue Mosher [MVP-Outlook] - 15 Oct 2005 21:34 GMT

Yes, potentially the same problems can occur, although they're far less likely since PST users don't exchange meeting requests as much.

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> Thanks for the info. According to the article, the new entryid design was
> introduced to solve problems with cached mode. I assume they mean cached
[quoted text clipped - 12 lines]
>> to
>> another folder.

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