Microsoft has confirmed and stuck a recognized difficulty 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 problem following widespread studies from Home windows admins saying that servers on their environments had been experiencing efficiency points and big lags, turning 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 may observe that some Home windows Server 2019 units expertise system slowdowns, unresponsiveness, and excessive CPU utilization significantly with Cryptographic Companies,” Microsoft confirmed on Wednesday.
“A restricted variety of organizations reported that the problem was noticed when the gadget was operating an Antivirus software program which performs scans towards the ‘% systemrootpercentsystem32catroot2’ folder for Home windows updates, on account of an error with catalog enumeration.”
Whereas Redmond would not title 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 start out
- Might boot right into a black display screen
- Expertise gradual boot
- Freeze or dangle
These utilizing Dwelling or Professional Home windows editions are unlikely to expertise this recognized difficulty as a result of the situation triggering it’s extra frequent in enterprise environments.
Mounted by way of Recognized Difficulty Rollback
Microsoft has resolved this widespread recognized difficulty by way of Recognized Difficulty 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 problem 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 Recognized Difficulty Rollback Group Coverage. Following set up, yow will discover the Group Coverage underneath Pc Configuration > Administrative Templates.
To deploy the Recognized Difficulty Rollback, go to the Native Pc 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 gadget(s) to use the group coverage setting.
You’ll find additional steerage on deploying and configuring KIR Group Insurance policies on the Microsoft assist web site.
“As soon as the replace with the decision is launched, organizations is not going to want to put in and configure this Group Coverage to handle this difficulty,” 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.