Article ID: 2606009 - View products that this article applies to.
When you use Microsoft Outlook 2010 or Microsoft Outlook 2013 to connect to a Microsoft Exchange Server 2010 or Microsoft Exchange Server 2013 mailbox, you find items in the Sync Issues folder that contain errors that resemble the following:
15:39:32 Synchronizer Version 14.0.6109
Different error codes may appear, such as the following.
Error code 1
The client operation failed.
Error code 2
The errors that are described in the "Symptoms" section are logged if either of the following conditions is true:
In most cases, a warning is logged when the item no longer exists on the Exchange mailbox. In these cases, the warning can be ignored.
In rare cases, the warning may be logged because the Exchange Server actually cannot delete an item. In these rare cases, you may be able to connect to your Exchange Server mailbox by using Microsoft Outlook Web App to determine whether the item remains in the mailbox.
Contact Microsoft Support Services if you need help in the following situations:
Microsoft is researching this problem and will post more information in this article when the information becomes available.