Microsoft has confirmed and stuck a identified concern inflicting efficiency points, boot issues, and freezes on Home windows Server 2019 techniques after putting in the August 2024 safety updates.
The corporate acknowledged the difficulty following widespread studies from Home windows admins saying that servers on their environments have been experiencing efficiency points and large lags, changing into unusable after putting in the KB5041578 cumulative replace.
“After putting in the August 2024 Home windows safety replace, launched August 13, 2024 (KB5041578), you would possibly observe that some Home windows Server 2019 units expertise system slowdowns, unresponsiveness, and excessive CPU utilization notably with Cryptographic Companies,” Microsoft confirmed on Wednesday.
“A restricted variety of organizations reported that the difficulty was noticed when the system was working an Antivirus software program which performs scans towards the ‘% systemrootpercentsystem32catroot2’ folder for Home windows updates, because of an error with catalog enumeration.”
Whereas Redmond does not identify the antivirus course of inflicting these points, affected admins have linked them to the Antimalware Service Executable service, the Home windows Defender background course of.
Microsoft added that in impacted IT environments, admins will observe that the affected servers:
- Present elevated CPU utilization
- Expertise elevated disk latency/ disk utilization
- Point out degraded OS or software efficiency
- Present that the Cryptographic Companies (CryptSVC) service fails to begin
- Might boot right into a black display screen
- Expertise sluggish boot
- Freeze or grasp
These utilizing Residence or Professional Home windows editions are unlikely to expertise this identified concern as a result of the state of affairs triggering it’s extra frequent in enterprise environments.
Fastened by way of Identified Situation Rollback
Microsoft has resolved this widespread identified concern by means of Identified Situation Rollback (KIR) and is working to incorporate the repair in a future Home windows replace. KIR is a Home windows characteristic that helps reverse flawed non-security updates delivered by way of Home windows Replace.
To resolve the difficulty on impacted Home windows enterprise-managed units, Home windows admins should set up and arrange the Home windows 10 1809 and Home windows Server 2019 KB5041578 240816_21501 Identified Situation Rollback Group Coverage. Following set up, you will discover the Group Coverage beneath Laptop Configuration > Administrative Templates.
To deploy the Identified Situation Rollback, go to the Native Laptop Coverage or the Area coverage on the area controller utilizing the Group Coverage Editor to decide on the Home windows model you need to goal. Subsequent, restart the affected system(s) to use the group coverage setting.
Yow will discover additional steering on deploying and configuring KIR Group Insurance policies on the Microsoft help web site.
“As soon as the replace with the decision is launched, organizations won’t want to put in and configure this Group Coverage to deal with this concern,” the corporate added.
This week, Microsoft additionally confirmed that the August 2024 Home windows safety updates are breaking Linux booting on dual-boot techniques with Safe Boot enabled.