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Titolo
Group policy objects (GPO) not being applied to clients -
Descrizione
Group Policy (GPO) is not applying to the clients
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Causa
CAUSE 1 - Policy is not linked to correct OU
CAUSE 2 - Block Inheritance cause the setting not to pass down
CAUSE 3 - Policy is disabled
CAUSE 4 - User's Policies that are applied to the Computers OU are applied only when the computer is booted, which is before any users have logged in, so no user-specific settings can be applied. For a setting like a Favorites file, which is added to each user's home Library, the policy has to be on a User OU. Policies that are applied to User OUs are applied to each user when the user logs in.
CAUSE 5 - The /var/opt/quest/vgp/extensions file has been removed or unregistered
CAUSE 6 - DFS replication some or all of SYSVOL was not replicating to one Domain Controller
CAUSE 7 - Product Defect 338118 in version 4.1.0.20780 and earlier.
Defect 338118 Description: vgp: When computing a computer object's group membership, use a domain controller instead of a Global Catalog. This was making systems in somesituations apply/unapply a policy depending on which GC was used.
CAUSE 8 - Security filtering is setup and a group added. However the compter object is missing from the group.
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Risoluzione
RESOLUTION 1,2,3,4:
1 - Ensure the policy has been linked to the correct OU. If it is a computer policy ensure the policy is linked to the OU the computer is in. If it is a user policy ensure it is linked to the OU the users are in. With user's policy there is a Microsoft policy set to change the behavior called Loopback processing mode.
2 - List GPC linked to this computer: /opt/quest/bin/vgptool listgpc
Lists Group Policy Object details from Group Policy Container and Active Directory container links for objects assigned to this container.
The results displayed by this command are listed in order by the container to which the Group Policy Objects are assigned. The resulting information comes from both the Group Policy Container and the container with the link itself. By default, the resulting list of group policy objects includes only those that are not blocked by the block inheritance setting. Depending upon the options to this command, more details may be obtained.
Usage: vgptool listgpc [-u user] [-l] [-x]
-u user specify the Unix name of the user for whom to lookup policy
-l long output (all the info from Active Directory)
-x unfiltered list (includes disabled and blocked inheritance)3 - To find what OU the computer object is located: /opt/quest/bin/vastool -u host/ info id
4 - Try manually applying the policy: /opt/quest/bin/vgptool applyRESOLUTION 5:
vgptool applies our group policies using Client Side Extensions (CSE). The CSEs determine how policies are applied.
To list the register extensions: /opt/quest/bin/vgptool registerIf one extension is not register you can use the /opt/quest/bin/vgptool register to register it.For example: /opt/quest/vgptool register vgp_sudoextAlso useful is doing a ls -l /var/opt/quest/vgp and checking date on the extensions file to see if it was changed when the issue began.
RESOLUTION 6:
To check the status of Active Directory and Sysvol replication on each server
1 - Run Gpotool.exe to check the number of unique Group Policy objects available on the network, and the status of each of these Group Policy objects on each domain controller. The status output from Gpotool.exe indicates all necessary information to diagnose if Active Directory and Sysvol are synchronized for each domain controller that you can connect to.
2- If you find that Sysvol is not synchronized between two domain controllers, place any text file on the Sysvol of one of the domain controllers. Confirm that it is replicated to the other domain controllers. If this fails, check the network connectivity between the domain controllers.3- If Active Directory is not synchronized between domain controllers, run Active Directory Replication Monitor (Replmon.exe), which can provide additional information about the state of Active Directory synchronization, and provide assistance in resolving the problem.
4 - Check sysvol to ensure data exist
\\domain\SysVol\domain\Policies\{GPO GUID}\Machine\VGPRESOLUTION 7
Upgrade to a later version of the product. To download new release please go to: https://support.oneidentity.com/authentication-services/download-new-releases
RESOLUTION 8:
Add the computer object to the group that is listed in the security filter of the GPO.
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Informazioni aggiuntive
See also the following article: How Authentication Services Group Policy works and tips for troubleshooting (135145)