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Yoel_Horvitz's avatar
Yoel_Horvitz
Icon for Microsoft rankMicrosoft
Mar 17, 2023

Azure AD B2C authorization code and refresh token size increase update

Update September 11, 2023: This post is irrelevant anymore   As part of ongoing security improvement efforts in Azure Active Directory (AAD), part of Microsoft Entra, Azure AD B2C will be rolling...
Azure AD B2C
eschillercourtalert's avatar
eschillercourtalert
Copper Contributor
Apr 05, 2023

Yoel_Horvitz This change appears to broken all our Desktop applications that use MSAL .net (Microsoft.Identity.Client) to authenticate against our Azure B2C tenant. The .net exception our users are receiving is:

 

Exception: Microsoft.Identity.Client.MsalClientException
Message: The browser based authentication dialog failed to complete. Reason: The protocol is not known and no pluggable protocols have been entered that match.
Source: Microsoft.Identity.Client

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