powershell cacher les groupes 365 dans GAL
Set-UnifiedGroup<group>-HiddenFromAddressListsEnabled$true
Hiding a Group from the GAL will only removes the availability of group in address list from external users, but it does not prevent other users to send email to the Group if they already know the address. If you want to restrict other users (other than group members) from sending message to the group, you need to set one more property – AcceptMessagesOnlyFromSendersOrMembers.
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If you want a group to accept messages from more than one group (multiple groups), you can give the group names as comma separated values in the above command.
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Set-UnifiedGroup <group> -AcceptMessagesOnlyFromSendersOrMembers <group>,<group2> |
Masquer les groupes de distribution a extension de messagerie
Set-DistributionGroup "Group Name" -HiddenFromAddressListsEnabled:$true
ou via AD
SOLUTION
To resolve this problem, follow these steps:
- Set the msExchHideFromAddressLists attribute of the security group to True. To do this, follow these steps:
- Open Active Directory Users and Computers.
- Locate and then right-click the group object, click Properties, and then click the Attribute Editor tab.
- Locate the msExchHideFromAddressLists attribute, click Edit, and then change the value from <Not set> to True.
- Wait for directory synchronization to occur. Or, force directory synchronization.