SharePoint
A group of Microsoft Products and technologies used for sharing and managing content, knowledge, and applications.
11,105 questions
Certificate Based Authentication Error
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(19.2, 21%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECG%3C/text%3E%3C/svg%3E)
Chad Grooms
0
Reputation points
I'm working on setting up CBA for a SharePoint Online instance. I've followed Microsoft's documentation (links below) to setup and configure Azure AD.
- User attribute altSecurityIdentities contains the X509:
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(105.60000000000001, 38%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETZ%3C/text%3E%3C/svg%3E)
Tong Zhang_MSFT 9,236 Reputation points2023-01-17T08:00:45.32+00:00 Hi @Chad Grooms,
To help you better, can you share the steps to set up CBA for a SharePoint Online instance with me? Can you provide the document links? Can you share the error screenshot with me? So that I can reproduce the issue better.
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Tong Zhang_MSFT 9,236 Reputation points
2023-01-19T07:39:41.6733333+00:00 Hi @Chad Grooms,
Do you have any further questions about this thread? If you have any questions or progress, you can contact me in time.
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