Event Viewer
Log Name: Application Source: Directory Synchronization Date: 32/13/2015 4:48:55 AM Event ID: 107 Task Category: None Level: Error Keywords: Classic User: N/A Computer: <servername />.<domain />.<root /> Description: The Office 365 MA Connector export cycle has stopped. Object with DN CN={1234567890AABBCCDDEEFFGGHGGFFEEDDCCBBAA987654321} failed validation for the following attributes: member. Please refer to documentation for information on object attribute validation. Event Xml: <Event xmlns=”http://schemas.microsoft.com/win/2004/08/events/event”> <System> <Keywords>0x80000000000000</Keywords> <EventRecordID>994163</EventRecordID> <Computer><servername />.<domain />.<root /></Computer> </System> </Event> |
Root Cause
There is a technical limit of 15000 members, that the Office 365 management
agent can support.
Solutions
1. Keeping member numbers under 15000
- Eg. splitting groups
2. Migrating your O365 connector to AADSync
Additional info
Prepare for directory synchronization:
https://msdn.microsoft.com/en-us/library/azure/jj151831.aspx