Domain Local Group Forest Trust
Can contain users and groups global and universal from any domain in the forest.
Domain local group forest trust. Ad trusted domain local groups cannot access a nas via smb due to the nature of msdn specifications see the following diagram in this diagram the nas is an ad member server of windows ad domain a dom a and has a forest trust relationship with. What this does mean for an attacker is that you can spoof any rid 1000 group if sid history is enabled across a forest trust. Incoming forest trust builders members of the incoming forest trust builders group can create incoming one way trusts to this forest.
If the domain local group does have other domain local groups as members then these must be removed from the membership before a conversion is made. Fixes an issue in which a user of a trusted forest domain cannot be added to a local group when you use the computer management tool. Active directory provides security across multiple domains or forests through domain and forest trust relationships.
Universal groups do not care about trust. This is because the domain admins group is a global group whereas only domain local groups are added in the pac. Therefore some of these server local or domain local security group memberships from a trusted forest might not be visible to idm servers.
Universal groups can be a member of domain local groups or other universal groups but not global groups.