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We have an issue possibly specific to a GPO in our environment that causes issues with the dnsapi. The behavior that happens after a domain join computer is freshly imaged with or is updated from a previous version is that if there is any network connectivity, lsass. I was able to determine this using Process Explorer for sysinternals. This is platform independent and happens on both our Dell's and Lenovo's. If any network device is connected, this will result in a forever spinning login screen.
If network devices are then disconnected, then after a few minutes cores free up CPU. As a partial fix, I have replaced both 32 and 64 bit dnsapi. The side affect of an older dnsapi. The unfortunate thing is I'm unable to get a Microsoft resource because our org is under people and our licensing partner can not even get a resource assigned to investigate the issue. If we are having this issue in our environment, I'm sure others are running into this as well.
Attachments: Up to 10 attachments including images can be used with a maximum of 3. If possible, could you please share us the detailed GPO configuration? I would like to test in my lab and check if I occur the same issue.
Based on my understanding, you have used process monitor and found lsass. Is that right? Please feel free to let me know if my understanding is wrong. I have not received such feedback yet. It seems that there might be some early adopter issues at this time with Windows 10 , if possible, I would recommend you wait a bit until Windows 10 matures with future cumulative updates.
In addition, the Feedback Hub app lets you tell Microsoft about any problems you run in to while using Windows You can report this issue to Microsoft directly with the Feedback Hub app.
If this issue is urgent, I would also suggest you contact Microsoft Customer Support and Services where more in-depth investigation can be done so that you would get a more satisfying explanation and solution to this issue.
You are correct, it appears to also be happening with the DNS Client dnscache service as well. Disabling the DNS Client service does not resolve the issue. If there is a service or process calling dnsapi. With the build of dnsapi. I have deployed a windows 10 and join the machine to the domain, but I did not occur such problem.
I have redacted the namespace value, but it's set for our internal domain. Microsoft needs to resolve this. I still have the identical issue with a batch of Lenovo laptops. They were all installed and domain joined with Windows 10 We still have no solution and have had varying success with assigning static DNS to the wireless adapter 8.
Were you offered a valid solution for this? We are keeping on hold until we can get this resolved. Replacing dnsapi. This is not a fix, but it's a start.
Could you please share us the detailed GPO configuration? I have joined a windows 10 have internet access machine to domain and I did not reproduce such phenomenon.
I would suspect this issue is related with GPO settings. It would be helpful for us identify problem if you can share us more details by uploading the GPO images directly. We can also reproduce this issue in windows VM, just make VM has internet access. As the steps below:. After applying the GPO, I disabled the internal switch and enable the external switch to let the machine has network connectivity but without reachability to DC. Are you able to test this situation with this client or a similar VPN client?
This is a similar experience to when we swap out a dnsapi. I have no such similar VPN client to do the test in my lab. If this issue is urgent, I would suggest you open a case with Microsoft.
In this way , they can have a clear picture about your issue and your environment by phone communication and live share session. I second this problem with a Lenovo laptop since build I attempted to reinstall Windows as a clean copy and experience the same issue.
It seems to occur on boot, sometimes when connecting the VPN, it's very frustrating as it cause the computer to be very slow sometimes for a few minutes and drains the battery. Then it gets back to normal. I have no NRPT rule and a close to original hosts file read somewhere this could be the issue. Our GPO was setup pretty much like the above screenshot by jaltmann; except the namespace was defined as our domain name.
In our case, it was noticed when users were taking laptops home, they would get the high CPU usage. But when in the office, things were fine. This 'solution' simply attempts to avoid the bug by always sending queries for that domain to servers that support DNSSEC. Not feasible when your AD DNS zones and public zones are both signed where you want to use whatever DNS resolvers people get assigned and then use NRPT to guarantee that answers are validated cryptographically by resolvers.
The high CPU usage then continues until the system is restarted. Reproduced on an unjoined Windows 10 Enterprise system where we ran gpedit. For example test. Trying to 'ping test. Just to avoid ambiguity: NRPT should prevent resolving test. Only on Windows 10 and 20H2. This has made my laptop usable again.
My laptop is back to normal. Does this look right? We have a client with this same issue. Are there any updates from the Product Team or has a Premier Ticket been opened? Cannot access computer shared drive using IP by can use computer name. What's "Power idle timeouts" and "Conservation idle timeouts"?
Storage Spaces says it uses 11TB more than it actually is. Apple Airpods on Surface Pro 4 disconnecting. Skip to main content. Find threads, tags, and users Hello, We have an issue possibly specific to a GPO in our environment that causes issues with the dnsapi. CU KB from the July 13 update does not fix the issue. Current Visibility: Visible to all users. Hi , Based on my understanding, you have used process monitor and found lsass. Comment Show 0. Just want to confirm the current situations.
Please feel free to let us know if you need further assistance. I want to confirm seeing this same issue on brand new Laptops. Time to get moving on this, Microsoft! Hi , Thanks for your updating. Related Questions.
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