Why are my Exchange Distribution Group Properties Greyed Out in EMC?

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Why are my Exchange Distribution Group Properties Greyed Out in EMC?

Like This Blog 6 Mike Pfeiffer
Added by March 2, 2012

If you’ve upgraded from Exchange 2003 to Exchange 2010, you may come across an issue where distribution groups in the Exchange Management Console (EMC) are unmanageable. In other words, your groups might be “greyed out”, and you won’t be able to add or remove users, or change any of the groups properties.

Here’s what’s going on. First, the distribution group was probably created as a global group in Active Directory. You can right click each group (or multi-select) in EMC and select ‘Conver to Universal Group’ to fix this. You could also do this from the Exchange Management Shell (EMS) using a one-liner:

Get-DistributionGroup -ResultSize Unlimited -RecipientTypeDetails MailNonUniversalGroup | Set-Group -Universal

After you’ve done this, you’ll be able to manage the membership of these groups. However, other features – like group moderation – will also be ‘greyed out’. This is because the groups object version needs to be upgraded. To do this in bulk for all groups, use the following EMS one-liner:

Get-DistributionGroup –ResultSize Unlimited | Set-DistributionGroup –ForceUpgrade

It’s as simple as that. Keep in mind that if you will be in coexistence for a period of time, where you have both Exchange 2003 and 2010, this should only be done for groups that will be managed only from the Exchange 2010 tools.

Enjoy!

Mike Pfeiffer – Microsoft MVP
Director of Unified Communications
Interface Technical Training

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  1. Avatar Juan Jose

    In my case when I turn off the exchange 2003 I keep seeing distribution groups in 2010, supposedly are all roles and migration steps made ​​, any idea ?, thanks

  2. Avatar saththiyan

    I too got the same error
    Active Directory operation failed on domain.com, this error is not retriable, Additional Information : A global group cannot have a universal group as member ,

    What should i do?

  3. Avatar saththiyan

    When i convert , i got error , it was
    Active Directory operation failed on domain.com, this error is not retriable, Additional Information : A global group cannot have a universal group as member ,

    What should i do?

  4. Avatar Maxx

    Thank you. This solved my problem. In our case, we migrated from 2003 to 2007 and then to 2010.

  5. Mike Pfeiffer Mike Pfeiffer

    Nope. As long as you no longer need to manage the groups from the legacy tools (ESM), then you can convert/upgrade them at any time.

  6. Avatar Marco

    Hi Mike

    is there any cons of doing this AFTER the last legacy E2003 has been removed?

    pls adv

    Marco

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