The Mail or Public Folder Source Agents stop processing (stop creating new PST files), and errors similar to the following appear repeatedly in the log file:
2/24/2009 9:05:18 PM CMessage::CopyToPST Error -2147221226 The file d:\WINDOWS\system32\Aelita Exchange Migration Wizard\PF Source
Agent\PST\F1E413F6E1B12E4FB45326B6730BAA94.PST could not be accessed. - MAPI_E_DISK_ERROR (Personal Folders) Low level error: 0x83
What is the cause for this error?
The above error may occur if the PST file in question is larger than 2GB in size.
When the Mail and Public Folder Source Agents extract mail from a source mailbox or public folder, this data is placed in a PST file until it has reached the size limit specified in the configuration (100MB by default). However, messages cannot be split across PST files, so if the PST file is 99MB in size, and the next message extracted is 5MB, the PST will be 104 MB in size. In this case however, a message or attachment is larger than 2GB. The agent attempts to place this message in a PST, but the size limit for the PST format is reached, resulting in the errors above.
To resolve this problem please:
The agent will then continue copying messages where it left off. If you need to copy messages/attachments larger than 2GB in size, please do so manually.
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