Certificate error when opening a document in Adobe Reader

Question

We host a small jpeg image on Microsoft OneDrive which is used as a logo for invoices in a booking system web application. When we open one of the documents within the application which contain this image in Adobe Acrobat Reader DC to print it, we get the error message in the image below "Select a certificate to authenticate yourself to s2s-api-onedrive.com:443"

This has only started happening in the last few months. If you select OK the message goes away. I dont know if this is an Adobe issue or Microsoft issue. Can anyone suggest a fix please?

Souvik Sadhu · Answer

Hi @FozzieBear,

Hope you are doing well. Thanks for writing in!

I found this issue on Microsoft Forums and looks like this is related to Microsoft Authentication through web browsers. You might want to try this:

Create the following registry key either in Start Menu-> Registry Editor:

CURRENT_USER or LOCAL_MACHINE: This will stop you from manually selecting a user certificate for authentication.

Type : REG_SZ
Name : 1 (or any following number if you already have parameters configured here)
Location :
- User setting: HKEY_CURRENT_USER\SOFTWARE\Policies\Microsoft\Edge\AutoSelectCertificateForUrls
  OR
- Device setting: HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Edge\AutoSelectCertificateForUrls
Value : {"pattern":"https://adobe.ly/4ixyxlH","filter":{"ISSUER":{"CN":"AZURE-CA"}}}

#Replace AZURE-CA by the CN/name of your issuing CA.

Ref: Microsoft Edge Browser Policy Documentation | Microsoft Learn.

Link to the entire thread here: Prompt for select a certtificate to authenticate yourself to - Microsoft Community

Hope this helps.

-Souvik

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