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Microsoft has confirmed a brand new situation impacting Home windows Server gadgets stopping the Microsoft Defender for Endpoint safety answer from launching on some programs.
The enterprise endpoint safety platform (beforehand often called Microsoft Defender Superior Menace Safety or Defender ATP) would possibly fail to begin or run on gadgets with a Home windows Server Core set up.
The recognized situation solely impacts gadgets the place prospects have put in KB5007206 or later updates on Home windows Server 2019 and KB5007205 or later updates on Home windows Server 2022.
“After putting in KB5007205 or later updates, Microsoft Defender for Endpoint would possibly fail to begin or run on gadgets with a Home windows Server Core set up,” Microsoft defined on the Home windows Server 2022 well being dashboard.
As the corporate additional revealed, this newly confirmed situation doesn’t have an effect on Microsoft Defender for Endpoint working on Home windows 10 gadgets.
Redmond is at the moment engaged on an answer to deal with this bug and can present the repair in an upcoming replace.
Different points stemming from November’s Home windows updates
This month’s KB5007206 and KB5007205 cumulative updates have additionally generated different issues for Home windows customers, together with a Home windows Installer bug that may break apps after repairing or updating them and errors making an attempt to connect with distant printers shared on Home windows print servers.
Microsoft claims to have fastened the Installer and community printing points with the optionally available KB5007253 Preview cumulative replace on Wednesday.
You possibly can set up this replace by going into Settings, clicking on Home windows Replace, and manually performing a ‘Examine for Updates.’
Since it’s an optionally available replace, you may be requested to put in it by clicking on the ‘Obtain and set up’ hyperlink.
It’s also possible to obtain and set up the KB5007253 preview replace manually from the Microsoft Replace Catalog.
Studies of Defender Antivirus crashes
BleepingComputer can also be conscious of stories that Microsoft Defender Antivirus crashes with EventID 3002 notifications (MALWAREPROTECTION_RTP_FEATURE_FAILURE) and “Actual-time safety encountered an error and failed” errors codes.
This situation happens solely after putting in safety intelligence updates between variations 1.353.1477.0 and 1.353.1486.0.
In line with Microsoft’s documentation, on programs the place this Occasion ID exhibits up in logs after Actual-Time Safety crashes, a number of of the next Microsoft Defender Antivirus may also fail:
- On Entry
- Web Explorer downloads and Microsoft Outlook Specific attachments
- Habits monitoring
- Community Inspection System
Microsoft appears to have fastened this bug with model 1.353.1502.0 however, in accordance with Dutch safety knowledgeable SecGuru_OTX, your gadget would possibly require a tough reboot to re-enable options corresponding to habits monitoring.
SecGuru_OTX additionally shared information on discover programs impacted by this Microsoft Defender Antivirus bug and on fixing the problem.
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