Symptoms
Assume that you use an Office 365 Outlook Email receive location to get email messages from an Office 365 mail folder. If a large number of email messages are received by the mail server mailbox within a short period of time, you might notice that not all messages are fetched if the Delete or Mark as read Post Action properties of the Office 365 Outlook Email adapter are enabled. You might also notice that the Office 365 Outlook Email receive location stops working intermittently.
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Resolution
This problem is fixed in the following cumulative update for BizTalk Server:
References
For information about the service packs and cumulative update list for BizTalk Server, see the following article in the Microsoft Knowledge Base:
2555976 Service pack and cumulative update list for BizTalk Server
For more information about BizTalk Server hotfixes, see the following article in the Microsoft Knowledge Base:
2003907 Information about BizTalk hotfixes and Cumulative Update support
