Article ID: 5329
Reviewed: 2018-04-13

Product Version:
AhsayOBM: 7.9.0.0 - 7.15.2.2
OS: Windows, Mac OS X

ATTENTION 1st January, 2022: v7 officially End-of-Life [details]

When performing a Office365 Exchange online backup for mailbox of large number of mail items, the following error message is received in the backup report:

No.	Type	Timestamp	Log
*	...	...	...
*	info	...	Start running post-commands
*	...	...	...
*	...	...	[List] 100% (xxxx/xxxx) Listing items from: ...
*	erro	YYYY/MM/DD hh:mm:ss	[Bptree.KeyRangeIterator.hasNext] Error=[ExchangeStandardFolder.getOrdinal] Invalid ID: 14tknLeaf=[TreeKeyNode.toString]@xxxx lBlockStart='xxxx' lNextBlockOffset='xxxx' lFirstBlockOffset='xxxx' 1LastBlockOffset='xxxx' bIsLeaf='true' lRightSiblingOffset='xxxx' sslKeys=',[TreeNode.KeyMap@xxxx] sKey='[IBptree.SimpleKey] Key='xxxx''lLeftRefBlockNo='xxxx',[TreeNode.KeyMap@xxxx]sKey='[IBptree.SimpleKey] Key='xxxx''lLeftRefBlockNo='xxxx',[TreeNode.KeyMap@xxxx] ... (truncated)
*	...	...	...

Note:
The error message above has been truncated, confirm if your backup has similar issue by searching for keywords "ExchangeStandardFolder.getOrdinal" in the backup report.

This is a known issue with AhsayOBM version 7.9.0.0 - 7.15.2.2.

To resolve the issue, patch the AhsayOBM application to version 7.15.4.10 or above.  The instructions can be found by Clicking Here.

exchange, exch, mail, level, mailbox, office, office365, 365