When migrating from Notes to Exchange or GroupWise to Exchange, the following error is received:
ERROR: [4951-24-91-80004005] Unable to migrate message:
12:51:30  Unspecified error
12:51:30 Error: The message being sent exceeds the message size established for this user.
12:51:30 Component: Microsoft Exchange Information Store
12:51:30 Low level error: 000004DA
12:51:30 Context: 00000503
1) The mail message if too large for the Exchange Information Store
2) The mailbox has reached capacity
3) Changes to the Transport and Storage limits in Exchange Information Store may not have taken effect yet. Make sure to restart the Transport Service for the change to take effect.
Verify Exchange Information Store limitations
Verify that the user's mailbox is not full
Reattempt the migration to be sure reduced limitations in the Exchange Information Store have come into effect.