XADM: "DataSource.Save" Returns an "Access Denied" Error Message for a MAPI Client

If an attachment is deleted from a message during the store event sink that starts on the OnSyncSave method, the deletion may not work and an "Access Denied" error message may be returned. This problem only occurs if both the sender and the receiver are on the same Messaging Database (MDB).

To resolve this problem, obtain the latest service pack for Microsoft Exchange 2000 Server. For additional information, click the following article number to view the article in the Microsoft Knowledge Base: The English version of this fix should have the following file attributes or later:

Component: MDB

File name	Version
Store.exe	6.0.5770.19
Exoledb.dll	6.0.5770.19
Mdbsz.dll	6.0.5770.19

Microsoft has confirmed that this is a problem in Microsoft Exchange 2000 Server. This problem was first corrected in Microsoft Exchange 2000 Server Service Pack 3.