Avamar: WFS.- The ACLs for the root drive and some files in the middle layer sub-folders are not restored.

Summary: The Access Control Lists (ACLs) for root drive and some files in the middle layer sub-folders are not restored when using --restore-acls-only flag.

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Symptoms

The ACLs for the entire drive were corrupted after ransomware attack.
The root drive ACLs are not restored when using the flags below (in avtar.cmd):

--restore-acls-only
--existing-dir-aclrestore
--detect-acl-changes

 

Cause

During the ACLs restore, the 'avtar' is using functions SetNamedSecurityInfoW and SetFileSecurity.
Per Microsoft Developer Network (MSDN), these functions are used for files and directories.

 

Resolution

Permanent resolution:
Upgrade the Avamar Server to.

  • 19.4.100-116 or later
  • The fix is incorporated in Avamar 19.4 and later software releases.

 

Affected Products

Avamar

Products

Avamar
Article Properties
Article Number: 000080830
Article Type: Solution
Last Modified: 11 Jun 2024
Version:  5
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