Root certificate which is not trusted by the trust provider. (0x800b0109)

Question

Hi everyone,

I had this error, but I troubleshoot according to the content on the the Microsoft IIS Support Blog, but it didn't solve my problem, any suggestions would be greatly appreciated.

403.16 error : "Root certificate which is not trusted by the trust provider. (0x800b0109)"

Answer 1

@jpnddsk

As mentioned in the article, you can try to enable CAPI2 logging to get more details on 403.16 error, what is the error message in your logging?

Note generally, if the client computer is joined to the domain and if you use domain credentials to log on to the VPN server, the certificate is automatically installed in the Trusted Root Certification Authorities store. However, if the computer is not joined to the domain or if you use an alternative certificate chain, you may experience this issue. 

To troubleshoot this issue, follow these steps:

1. On the client computer, click Start , click Run , type mmc , and then click OK .
2. On the File menu, click Add/Remove Snap-in .
3. In the Add/Remove Snap-in dialog box, click Add .
4. In the Available Standalone Snap-In dialog box, click Certificates , and then click Add .
5. In the Certificates snap-in dialog box, click Computer account , click Next , and then click Finish .
6. Click Close , and then click OK .
7. In the Console1 MMC snap-in, expand Certificates (Local Computer) , expand Trusted Root Certification Authorities , and then click Certificates .
8. Examine the certificates that appear in the details pane to determine whether a certificate from the certification authority is present.
9. If the appropriate certificate is not present in the Trusted Root Certification Authorities store, you must import a certificate for the appropriate certification authority.

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Answer 2

Hi I am Evelyn Bailey,

I am here to provide the best solutions and guidance

The Windows Update Error code 0x800b0109 means that Windows Update is trying to install an update, but a file that Windows 10 or 11 Update needs is either damaged, or missing. This Windows 10 Update Error code 0x800b0109 happens a lot, especially with Windows 10.

Initially follow the below steps in the order in which they are found to solve possible problems

1. Disable Defender and Antivirus Software
2. Run SFC Scan
3. Delete Temp Files

Go Through this below mentioned link and follow the instruction to solve possible problem with the system.

https://unlicenscedofficesupport.blogspot.com/2023/04/solutions-for-windows-10-update-error.html

Standard Disclaimer: This blog is the best place to read all articles related to windows related issues. They have skilled Microsoft Assured experts team to manage and support all software related issues and the MS Assured team can provide personal assistance for additional reported issues. They provide instant support solutions for your computer software.

I hope this solution help you to get the problem solved.

Regards

Evelyn Bailey

Windows Advisor

Answer 3

Never ever

Disable Defender and Antivirus Software

Everyone that tells someone to do this or disable firewall don't know that they doing so don't listen to them