Very Important: Security update KB3159398 will break Group Policy

There is a known with the MS16-072/KB3163622 patch. This will break 's with faulty . Examples: Drives appear on domain systems that should be hidden, mapping drives don't work, and other typical GPO settings aren't getting applied.

To resolve this issue, use the Policy Management Console (GPMC.MSC) and follow one of the following steps:

1. Add the group with Read on the Object (GPO).

. If you are using filtering (), add the group with read permission.

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