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Windows update service using maxing out CPU resources

Question
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We have a client that's currently running a number of windows 7 pro VM's on 3 esxi 5.5 hosts. Recently we started to see all of the VM's CPU's running at 100%. I've contacted vmware but they are not seeing any issues with the host logs or resource usage and they suggested that I work on the issue from the guest OS. The issue has been narrowed down to the windows update service, when the service is stopped or disabled the CPU usage drops back down to a normal level. At this point I've done the following...
1. Ran AV/malware scan (ESET & malwarebytes)
2. Installed KB3102810
3. Ran windows update troubleshooter
4. Rebuilt windows update store folder
5. Ran most recent windows updates on all VM's
The issues are still occurring on the vast majority of the VM's so any additional information or suggestions would be much appreciated.
Monday, May 2, 2016 1:36 PM
Answers
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Hi savy2020,
Thank you for your reply. If the issues appear again after reboot, I suggest that we could check the Windows Update service and Background Intelligent Transfer Service. Setting them manually and reboot again to check.
Hope it will be helpful to you.
Please remember to mark the replies as answers if they help, and unmark the answers if they provide no help. If you have feedback for TechNet Support, contact tnmff@microsoft.com.
- Proposed as answer by Kate LiMicrosoft employee Friday, May 13, 2016 7:12 AM
- Marked as answer by Kate LiMicrosoft employee Friday, May 20, 2016 4:33 AM
Friday, May 6, 2016 12:28 PM
All replies
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How does your network traffic look on those guest machines?Monday, May 2, 2016 1:44 PM
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Hi savy2020,
I suggest that we could startup in Clean Boot to check first.
Then we could try reset Windows Update components and update the Windows Update Agent:
https://support.microsoft.com/en-us/kb/971058
https://support.microsoft.com/en-us/kb/949104
Also a similar thread. Please check it and see if it could help:
Hope it will be helpful to you.
Please remember to mark the replies as answers if they help, and unmark the answers if they provide no help. If you have feedback for TechNet Support, contact tnmff@microsoft.com.
- Proposed as answer by Carl FanMicrosoft contingent staff Tuesday, May 10, 2016 12:01 PM
Tuesday, May 3, 2016 10:43 AM -
Network traffic appears normal, nothing out of the ordinary.Tuesday, May 3, 2016 5:36 PM
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I'll give this a try, thanksTuesday, May 3, 2016 5:36 PM
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Performed the troubleshooting steps that Carl Fan suggested and it appeared to be working however following a reboot the VM's are exhibiting the same issues again.
Wednesday, May 4, 2016 1:26 PM -
Hi savy2020,
Thank you for your reply. If the issues appear again after reboot, I suggest that we could check the Windows Update service and Background Intelligent Transfer Service. Setting them manually and reboot again to check.
Hope it will be helpful to you.
Please remember to mark the replies as answers if they help, and unmark the answers if they provide no help. If you have feedback for TechNet Support, contact tnmff@microsoft.com.
- Proposed as answer by Kate LiMicrosoft employee Friday, May 13, 2016 7:12 AM
- Marked as answer by Kate LiMicrosoft employee Friday, May 20, 2016 4:33 AM
Friday, May 6, 2016 12:28 PM