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| text = This page describes creating a backup on Samba v4.9 onwards. For backups on Samba v4.0-v4.8, see [[Using_the_samb ...in the unlikely event that it suffers a catastrophic failure. It does not backup individual DCs.

...as Microsoft Active Directory. Schema updates in AD are a sensitive action and you must be prepared to do a [[Back_up_and_Restoring_a_Samba_AD_DC|full res ...true in Samba 4 given it does fully validate all the changes to the schema and so some changes can lead to a un-start-able samba provision.

...method is described in more detail [[Upgrading_a_Samba_AD_DC#Upgrade A DC and join it to the domain again|here]]. ...ts of the database. Changes to the database format were introduced in v4.8 and v4.11.

...ation changes to continue to talk to domain controllers (see "file servers and domain members" below). ...name=CVE-2020-1472 CVE-2020-1472]. Since the bug is a protocol level flaw, and Samba implements the protocol, Samba is also vulnerable.

...nix and Linux) compatibility for the current SMB3 version of the protocol, and current protocol extensions, are described here: [[SMB3-Linux|SMB3 POSIX Ex (via a Unix QueryFSInfo and SetFSInfo level). Following

:The implementation of ACL inheritance in the Samba AD DC was not complete, and so absent a 'full-sync' replication, ACLs could get out of sync between dom For more details and workarounds, please refer to the security advisories.

:A man in the middle attack can read and may alter confidential documents transferred via a client connection, which For more details and workarounds, please see the security advisories: