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Directory sync cannot update distribution Group after Office 365 migration

Directory sync cannot update distribution Group after Office 365 migration

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Summary

After you migrate BPOS to Office 365, you may notice Directory Synchronization does not update Distribution List (DL) group as expect. Additionally, there is no information listed in the Dirsync Error notification email.

This issue will occur when the DisplayName attribute is “Not Set” for these groups in Active Directory. Office 365 Dirsync tool need this value so that these groups can be synced.

Notes:

  • By default, when we create a DL group in Active Directory, the DisplayName value is set to “Not Set”
  • Detailed information is in the following KB article:

        List of attributes that are synchronized to Office 365 and attributes that are written back to the on-premises Active Directory Domain Services

        http://support.microsoft.com/kb/2256198

How to check if a group is filtered by Dirsync tool:

1.    Open the MIIS client on the dirsync client

2.    Go to Joiner

3.    Select Management Agent as “SourceAD” and Disconnector Type to “Filtered Disconnectors”

4.    Click Search and see if there is any impacted groups listed there and then use ADSIEDIT to modify the value.


More Information

This issue can be work around by modifying the value.

Below is a sample via PowerShell:

1.       Export the DL information into the CSV file:

Note: these two commands needs to be run on the Windows server 2008/2008 R2 with the domain controller role installed:

    Get-ADGroup -Filter * -SearchBase "OU=DL Group,DC=contoso,dc=local" | Select SamAccountName |export-csv group.csv

Note: please replace the OU with the really OU in your production environment

2.       After exported the CSV file, use Excel file and then please add a column called “DisplayName” like below:

Copy the same value from SamAccountName to Displayname and then save the change.

3.       After saving the change, place the csv file in your location, then use the command below to set the DisplayName value:

    Import-csv c:\displayname.csv | foreach-object {set-adgroup -identity $_.SamAccountName -displayname $_.displayname}

Applies To

Microsoft Office 365 Enterprise

Comments
  • Alternatively, you can open Active Directory Users & Computers, turn on Options->Advanced Features. Open the user object properties, and go to the Attribute Editor tab. Enter the display name directly. I've also found that the MailNickname attribute generally needs to be set as well.

  • Hi Wes Kroesbergen,

    Thanks for your contribution~

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