Error when you try to restrict senders to send message to specified distribution group in on-premise organization that has no Exchange server

Symptom Consider the following scenario:   You have activated Active Directory Synchronization in Office 365 and installed Directory Synchronization tool in your on-premise organization, There is no Exchange Server in your on-premise organization, You try to configure the distribution group that restricts specified senders that can send messages to the distribution group,   In this…

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How to unhide all hidden contacts from GAL by using powershell script

Title How to unhide all hidden contacts from GAL by using powershell script   Summery Contacts that are hidden from Global Address List (GAL) are not visible to Office 365 Exchange Online users. This article provides a method that unhides all hidden contacts from GAL by using powershell script. 1.Follow the article to access Exchange…

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Office 365 DS quota for each Office 365 customer is 20,000 objects

Introduction When you try to synchronize more than 20,000 objects to cloud, you receive the following error message:   Event Type:        Error Event Source:    Directory Synchronization Event Category:                None Event ID:              102 Date:                     <Date> Time:                    <Time> User:                     N/A Computer:          <Computer> Description: An error occurred. Error Code: 16. Error Description: Synchronization has been stopped. The company…

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