Forum Discussion

Copper Contributor

Jan 27, 2021

Windows Defender Antimalware Platform 4.18.2101.4 - Problems with group policy and AD MMC

Today the Windows Defender Antimalware Platform was updated automatically from version 4.18.2011.6 -> 4.18.2101.4 on my computer. I didn't notice it at first but since this morning I was experienci...

pgrubor

Copper Contributor

Feb 05, 2021

CPetrey

4.18.2101.8 is available and we do not have those group policy issue anymore with this version. 4.18.2101.4 is gone.

D4rtual

Copper Contributor

Feb 10, 2021

All,

I see that version 4.18.2101.8 is expired since yesterday, so I don't know what was wrong with that version. Microsoft released a new version 4.18.2101.9 on WSUS.

The release notes are still mentioning version 4.18.2101.8 however...

Manage Microsoft Defender Antivirus updates and apply baselines - Windows security | Microsoft Docs

acjuelich
Copper Contributor
Feb 10, 2021
D4rtual

I created a case with MSFT and they admit to the issues but have not given me any official statement or explanation. I told them the case will not be closed until this is admitted to and explained. We will see what happens.
- SteBeSec
  Iron Contributor
  Feb 12, 2021
  acjuelich Got info from premier support today that the issue was fixed in platform version 4.18.2101.9. I tested it on W10 1909 and looks fine so far.
  - SuneelKumar1435
    Copper Contributor
    Mar 03, 2021
    Windows Defender 4.18.2101.9 does not comply with policy. Compliance requires real time protection enabled