Azure b2c- Error in signup or change password ocassionally

Summy 1 Reputation point

We are dealing with a problem where while signup or change password process we are unable to signup a new user. It displays an error- The server has encountered an internal error. Please try again later
and sometimes it gave
cannot verify the codes, please try again later

and when going through audit logs it seems there is a slight frequent failure
Activity Type- Issue a SAML assertion to the application
Status reason- There is a problem with the service.

It is happening occasionally. Sometimes it works fine. What could be the issue?
We are using custom policy. Any leads so that we can figure out what is the actual problem.

Microsoft Entra External ID
Microsoft Entra External ID
A modern identity solution for securing access to customer, citizen and partner-facing apps and services. It is the converged platform of Azure AD External Identities B2B and B2C. Replaces Azure Active Directory External Identities.
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Microsoft Entra ID
Microsoft Entra ID
A Microsoft Entra identity service that provides identity management and access control capabilities. Replaces Azure Active Directory.
18,713 questions
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  1. James Hamil 20,816 Reputation points Microsoft Employee

    Hi @Summy , We need to look into your environment to figure out the cause of this. Please send me an email at "" with subject "ATTN: James Hamil" and your subscription ID and I can set you up with a free support ticket.

    If this answer helped you please mark it as "Verified" so other users may reference it.

    Thank you,

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