"Changes to the distribution list membership cannot be saved" error message when you try to remove members from an Exchange Server 2010 distribution list

In the role of a Distribution Group owner on a Microsoft Exchange Server 2010 server, you try to remove members from a distribution list that you own. When you try to remove some of these members in Office Outlook by using the Distribution List Membership tool, you receive the following error message:

This issue occurs when you try to delete distribution list members who no longer have mailboxes, but are still present in AD DS as disabled accounts. These members cannot be removed from a distribution list by using the Distribution List Membership tool in Outlook. These members are only visible to the owner of a distribution list when the membership list is viewed.

To resolve this issue, follow these steps:

1. Click Start
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   , point to All Programs , point to Exchange Server 2010 , and then click Exchange Management Shell .
2. At the command prompt, run the following cmdlet:
   New-RoleGroup DistributionGroupManagement -Roles "Distribution Groups"
3. At the command prompt, run the following cmdlet:
   Add-RoleGroupMember DistributionGroupManagement -Member UserName
4. Open Outlook and try to remove from your distribution list those members that you could not remove before.