What are you doing?
After migrating all of your groups to Exchange 2013 with
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Get-DistributionGroup -resultsize unlimited | Set-DistributionGroup –ForceUpgrade |
you try to change the membership either in PS oder EAC.
What happens?
Error
You don’t have sufficient permissions. This operation can only be performed by a manager of the group.
The Reason / The Solution
2007 and 2010 did not required the AD Attribute managedby (owner). Today, for Exchange 2013 this is a requirement. Just set the managedBy Attribute with set-distributiongroup to an Admin Group like “Organization Management”
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Get-DistributionGroup -resultsize unlimited | Set-DistributionGroup –ManagedBy "CN=Organization Management,OU=Microsoft Exchange Security Groups,DC=contoso,DC=corp" |
have fun, Alex
I have found you can use Get-DistributionGroup -filter {ManagedBy -eq $Null} if you only want to update groups that do not have owners.
Hi Jeff, thanks for that :-)