I have a number of systems built by OEM vendors that were then added to our domain. They have no external access to Microsoft.com sites. All Windows Updates and Patches are installed through MECM. Many fail while displaying this same error in WindowsUpdateLog.
2024/06/02 10:32:01.0199303 4816 6128 SLS Making request with URL HTTPS://slscr.update.microsoft.com/SLS/{2B81F1BF-356C-4FA1-90F1-7581A62C6764}/x64/10.0.19042.1708/0?CH=687&L=en-US&P=&PT=0x30&WUA=10.0.19041.1682&MK=ASUS&MD=System+Product+Name and send SLS events.
2024/06/02 10:32:05.2667159 4816 6128 Misc FAILED [80072F8F] Send request
2024/06/02 10:32:05.2667268 4816 6128 Misc FAILED [80072F8F] WinHttp: SendRequestToServerForFileInformation (retrying with default proxy)
2024/06/02 10:32:05.4443164 4816 6128 Misc FAILED [80072F8F] Send request
2024/06/02 10:32:05.4443303 4816 6128 Misc FAILED [80072F8F] Library download error. Will retry. Retry Counter:0
2024/06/02 10:32:05.6245294 4816 6128 Misc FAILED [80072F8F] Send request
2024/06/02 10:32:05.6245401 4816 6128 Misc FAILED [80072F8F] WinHttp: SendRequestToServerForFileInformation (retrying with default proxy)
2024/06/02 10:32:05.8019186 4816 6128 Misc FAILED [80072F8F] Send request
2024/06/02 10:32:05.8019339 4816 6128 Misc FAILED [80072F8F] Library download error. Will retry. Retry Counter:1
2024/06/02 10:32:05.9990464 4816 6128 Misc FAILED [80072F8F] Send request
2024/06/02 10:32:05.9990570 4816 6128 Misc FAILED [80072F8F] WinHttp: SendRequestToServerForFileInformation (retrying with default proxy)
2024/06/02 10:32:06.1736547 4816 6128 Misc FAILED [80072F8F] Send request
2024/06/02 10:32:06.1736687 4816 6128 Misc FAILED [80072F8F] Library download error. Will retry. Retry Counter:2
2024/06/02 10:32:06.3535637 4816 6128 Misc FAILED [80072F8F] Send request
2024/06/02 10:32:06.3535745 4816 6128 Misc FAILED [80072F8F] WinHttp: SendRequestToServerForFileInformation (retrying with default proxy)
2024/06/02 10:32:06.5292956 4816 6128 Misc FAILED [80072F8F] Send request
2024/06/02 10:32:06.5293103 4816 6128 SLS Complete the request URL HTTPS://slscr.update.microsoft.com/SLS/{2B81F1BF-356C-4FA1-90F1-7581A62C6764}/x64/10.0.19042.1708/0?CH=687&L=en-US&P=&PT=0x30&WUA=10.0.19041.1682&MK=ASUS&MD=System+Product+Name with [80072F8F] and http status code[0] and send SLS events.
2024/06/02 10:32:06.5293227 4816 6128 SLS FAILED [80072F8F] GetDownloadedOnWeakSSLCert
2024/06/02 10:32:06.5295203 4816 6128 SLS FAILED [80072F8F] Method failed [CSLSClient::GetResponse:625]
In system that we image in house this message is absent so Im lead to believe this is a result of the onboarding of the system to our domain.