# \[CRITICAL Software Update\] Moonwalk 12.1u2 Released

**URL:** <https://forum.moonwalkinc.com/t/critical-software-update-moonwalk-12-1u2-released/47>\
**Category:** Announcements\
**Created:** [August 31, 2017, 6:54am UTC](https://forum.moonwalkinc.com/t/critical-software-update-moonwalk-12-1u2-released/47 "2017-08-31T06:54:41Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Mark](https://sea1.discourse-cdn.com/flex019/user_avatar/forum.moonwalkinc.com/mark/32/32_2.png) [@Mark](https://forum.moonwalkinc.com/u/Mark)\
**Post date:** [August 31, 2017, 6:54am UTC](https://forum.moonwalkinc.com/t/critical-software-update-moonwalk-12-1u2-released/47/1 "2017-08-31T06:54:41Z")

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Moonwalk 12.1u2 is available here:

[https://www.moonwalkinc.com/dcc111d1-350e-47b8-8cbd-2a48ce0d8d70/](https://www.moonwalkinc.com/dcc111d1-350e-47b8-8cbd-2a48ce0d8d70/)

This is a CRITICAL update for all Windows users.

Refer to Moonwalk Advisory MWA-2017-0001 ( [[Action Required] CRITICAL Issue Advice MWA-2017-0001](https://forum.moonwalkinc.com/t/action-required-critical-issue-advice-mwa-2017-0001/46) ) for full details.

Perform these steps, strictly in the order given:

1. [IMMEDIATELY] Disable ALL Scrub tasks

2. Upgrade to Moonwalk 12.1u2

3. Run a Post-Restore Revalidate Policy across ALL VOLUMES

4. Re-enable any Scrub tasks

Changes

- Windows
  - Stub Deletion Monitoring is no longer always enabled, disabled by default
  - See section D.4 of the Administration Guide 12.1-rev2