[Samba] GPO Security Filtering "Access Denied"

[Miguel medalha]

>> I'm applying it to specific computers, so I've created a group with those machines in it.

>> It's not that the problem is applying the GPOs to the machines in the OU and >> group, the access denied message is a popup in Group Policy Management at the >> moment I try to add more that 6 entries in the Security Filtering box.

The same happened to me once but I solved it. I don't quite remember if it was solved at the same time as I applied the correction I posted earlier.

Can you verify that on the "Delegation" tab you have "Authenticated Users" with "Read" privilege?