3,285 questions
Finally found. Application's secret key should be specified in Policy keys as well.
AADB2C90289: We encountered an 'invalid_client' error connecting to the identity provider.
Javid Gahramanov
11
Reputation points
Hi all,
I configured AAD B2C SignIn and SignUp with custom policies to use Microsoft IDP.
But I get "AADB2C90289: We encountered an 'invalid_client' error connecting to the identity provider." error right after authentication. There is no issue with authentication against Microsoft. I get this message right after giving application consents.
Configured App Insights telemetry in SignInSignUp policy . But didn't find more information about the error.
Microsoft Security | Microsoft Entra | Microsoft Entra External ID
2 answers
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Javid Gahramanov 11 Reputation points
2022-02-21T18:51:55.617+00:00 -
AmanpreetSingh-MSFT 56,871 Reputation points Moderator2022-02-22T05:14:14.967+00:00 @Javid Gahramanov • Thank you for posting the solution.
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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(12.8, 92%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESM%3C/text%3E%3C/svg%3E)
Sergio Molina 1 Reputation point2022-02-22T16:23:44.833+00:00 Hi, policy keys are configured on the B2C?
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Javid Gahramanov 11 Reputation points
2022-02-22T16:25:21.7+00:00 Yes,Navigate to the Identity Experience Framework. You will see Policy keys there.
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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(86.4, 25%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAS%3C/text%3E%3C/svg%3E)
Azhar Saleem 1 Reputation point2022-12-22T18:36:56.053+00:00 Can you please provide more details on your solution.
I have created a App Registration for this purpose and the secret for this app has been added to the policy keys.
Thats the only secret in the policy key. Are there other keys that are needed?
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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(163.2, 67%, 25%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ELS%3C/text%3E%3C/svg%3E)
Luis Schweigard 1 Reputation point2022-12-07T17:31:32.327+00:00 @Javid Gahramanov Could you elaborate on your solution? I cant seem to fix it.