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Has anyone encountered: “Error: An unexpected error occurred invoking “startTwoFactorPipeline” on the server.”?

I have just now. Trying to spin up a local instance for development purposes and am getting this error on initial login. Did you find a solution?


Hi @myoung were you able to find a solution? Thank you!


I’m also facing this problem, and bumping the thread in the hopes that someone has found a fix. I’ve just created a local development instance, and like @mikezeiser, am encountering this error at initial login.

I think the only thing notable about my instance creation is that ran into the issue described here ( “Login Failed for user 'IIS APPPOOL\DefaultAppPool") https://stackoverflow.com/questions/53726493/app-pool-login-failed-message-in-new-acumatica-version. The solution given in that thread did not work for me, but I followed instructions found here https://learn.microsoft.com/fr-ca/archive/blogs/ericparvin/how-to-add-the-applicationpoolidentity-to-a-sql-server-login to add a SQL Server login for the DefaultAppPool. After that, I was at least able to load the Acumatica login page, but, alas, unable to log in.


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