How to fix “Failed to get group accounts sids of a user” when connecting to EXO remote PowerShell.

In an Exchange Hybrid environment where user accounts are on-premises and mailboxes are in Office...

Author: hkongcharlotte Date: 03/28/2017

How to fix Attribute Value Must Be Unique “AttributeValueMustBeUnique” error message when trying to sync an object from on-premises Active Directory to Office 365.

You received a synchronization error report email from

Author: hkongcharlotte Date: 03/23/2017

How to delete corrupted, hidden inbox rules from a mailbox using MFCMAPI

This is useful when you receive duplicate messages or any of the inbox rules are corrupted or not...

Author: hkongcharlotte Date: 02/27/2015