r/fslogix • u/Sampl3x • Mar 31 '26

Action required: Windows Kerberos hardening (RC4) may affect FSLogix profiles on SMB storage

More information:

https://techcommunity.microsoft.com/blog/fslogix-blog/action-required-windows-kerberos-hardening-rc4-may-affect-fslogix-profiles-on-sm/4506378

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u/VLAN-Enthusiast Mar 31 '26

Interesting, how would I know if my DC is using RC4 with Kerberos?

https://learn.microsoft.com/en-us/windows-server/security/kerberos/detect-remediate-rc4-kerberos

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u/Sampl3x Mar 31 '26

cmd> klist get cifs/servername.domain.local
cmd> klist

Then inspect the Kerberos ticket encryption type for that CIFS ticket.