Reset Computer AD Group Membership

๐Ÿ”’ Secure Bits ๐Ÿ’ก
๐——๐—ผ ๐˜†๐—ผ๐˜‚ ๐—ฟ๐—ฒ๐—ฏ๐—ผ๐—ผ๐˜ ๐—ฐ๐—ผ๐—บ๐—ฝ๐˜‚๐˜๐—ฒ๐—ฟ๐˜€ ๐—ฎ๐—ณ๐˜๐—ฒ๐—ฟ ๐—ฐ๐—ต๐—ฎ๐—ป๐—ด๐—ถ๐—ป๐—ด ๐˜๐—ต๐—ฒ๐—ถ๐—ฟ ๐—”๐—— ๐—ด๐—ฟ๐—ผ๐˜‚๐—ฝ ๐—บ๐—ฒ๐—บ๐—ฏ๐—ฒ๐—ฟ๐˜€๐—ต๐—ถ๐—ฝ?

๐Ÿ‘‰ You donโ€™t have to.

When you add a computer account to a group (e.g., for GPO security filtering), the change doesnโ€™t apply right away.
๐—ช๐—ต๐˜†?
Because the computer still uses ๐—ž๐—ฒ๐—ฟ๐—ฏ๐—ฒ๐—ฟ๐—ผ๐˜€ ๐˜๐—ถ๐—ฐ๐—ธ๐—ฒ๐˜๐˜€ that reflect old group memberships.

๐— ๐—ผ๐˜€๐˜ ๐—ฎ๐—ฑ๐—บ๐—ถ๐—ป๐˜€ ๐—ท๐˜‚๐˜€๐˜ ๐—ฟ๐—ฒ๐—ฏ๐—ผ๐—ผ๐˜ โ€” but there’s a better way:
๐Ÿ›  ๐—ข๐—ป ๐˜๐—ต๐—ฒ ๐—บ๐—ฎ๐—ฐ๐—ต๐—ถ๐—ป๐—ฒ, ๐—ฟ๐˜‚๐—ป:
klist purge โ€“li 0x3e7
gpupdate /force

๐—ง๐—ต๐—ถ๐˜€ ๐—ฐ๐—น๐—ฒ๐—ฎ๐—ฟ๐˜€ ๐˜๐—ต๐—ฒ ๐—ฐ๐—ผ๐—บ๐—ฝ๐˜‚๐˜๐—ฒ๐—ฟ’๐˜€ ๐—ž๐—ฒ๐—ฟ๐—ฏ๐—ฒ๐—ฟ๐—ผ๐˜€ ๐˜๐—ถ๐—ฐ๐—ธ๐—ฒ๐˜๐˜€ and fetches new ones immediately โ€” no reboot needed.

Did you know about this trick?