Microsoft KB Archive/924213

= Message id is different for mail which is in Inbox & Sent items =

Article ID: 924213

Article Last Modified on 10/25/2007

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APPLIES TO


 * Microsoft Exchange Server 2003 Enterprise Edition
 * Microsoft Exchange Server 2003 Standard Edition

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Source: Microsoft Support

RAPID PUBLISHING

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SYMPTOMS
If we switch to Online mode after sending the message in outlook Cached mode, the message in your Sent Items in the mailbox (not the OST) contains a different value for the PR_INTERNET_MESSAGE_ID property when compared with MFCMapi.



RESOLUTION
This is expected behavior and as a workaround we could use Outlook in Online Mode.

Here is a more detailed explanation of what is happening in these 4 scenarios:


 * 1) In Online mode, when you send a message, it is submitted to Exchange and then stamped with PR_INTERNET_MESSAGE_ID. The copy in your Sent Items and the received item in your Inbox contain the same PR_INTERNET_MESSAGE_ID because they originated from the same message.
 * 2) If you then switch to Cached mode after sending the message in Online mode, the message from your Sent Items (which already contains the PR_INTERNET_MESSAGE_ID stamped by Exchange) is synched down to your OST. So when you view the message in the Sent Items in the OST, it contains the same PR_INTERNET_MESSAGE_ID as it did in Online mode.
 * 3) In Cached mode, when you send a message, it goes to the Outbox and is copied to the Sent Items BEFORE the message is submitted to Exchange. Since Outlook does not stamp the PR_INTERNET_MESSAGE_ID, the copy in the Sent Items does not contain this property. So when you view the message in the Sent Items, the PR_INTERNET_MESSAGE_ID is not present. The next time you synch, the message in your Sent Items is synched to your Exchange store, and then gets stamped by Exchange with a PR_INTERNET_MESSAGE_ID. The item in the Sent Items in the OST remains unchanged (no PR_INTERNET_MESSAGE_ID). (However, if there is a subsequent change to the online message in the Sent Items that causes it to synch back to the OST, the message in the OST will then contain the PR_INTERNET_MESSAGE_ID property.)
 * 4) If you then switch to Online mode after sending the message in Cached mode, the message in your Sent Items in the mailbox (not the OST) contains PR_INTERNET_MESSAGE_ID. The message in the Sent Items in the mailbox contains a different PR_INTERNET_MESSAGE_ID than the received item in the Inbox, because it was submitted to the store (during synch) as a separate message.



MORE INFORMATION
Steps to reproduce this issue : ( we can see the value of PR_INTERNET_MESSAGE_ID using MFCMapi )


 * 1) Message sent/received in Online mode and viewed in Online mode - PR_INTERNET_MESSAGE_ID is present on message in Sent Items and is the same as PR_INTERNET_MESSAGE_ID of the message in the Inbox
 * 2) Message sent/received in Online mode and viewed in Cached mode - PR_INTERNET_MESSAGE_ID is present on message in Sent Items and is the same as PR_INTERNET_MESSAGE_ID of the message in the Inbox
 * 3) Message sent/received in Cached mode and viewed in Cached mode - PR_INTERNET_MESSAGE_ID is NOT present on message in Sent Items
 * 4) Message sent/received in Cached mode and viewed in Online mode - PR_INTERNET_MESSAGE_ID is present on message in Sent Items and is not the same as PR_INTERNET_MESSAGE_ID of the message in the Inbox



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Keywords: kbprb kbtshoot kbrapidpub KB924213

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