I’m having trouble migrating a user, without losing the original password, from an existing database that was created using ASP.NET Identity Core (version 2.0). My goal is to migrate a user over and be able to use the existing password. I’m using Auth0’s Bulk Import API tools to do this, following…

False alarm - my PasswordHash data was incorrect from the start. All is good now. This post has it correct: “value”: “$pbkdf2-sha1$i=1000,l=32${salt}${hash}” For anyone else in the future in a similar situation - here’s a quick C# script I wrote that you can run to produce the string you’ll need …

Migrating users from ASP.NET Identity Core (2.0) to

Help

dan.woda April 4, 2022, 4:47pm 2

Hi @mt-tom

Welcome to the Auth0 Community!

It looks like you may be using the wrong algorithm. Check out this post:

Topic		Replies	Views
Migrate users with passwords hashed using Microsoft.AspNet.Identity.Core, Version=2.0.0.0 Help user-management , user-import-export	0	263	May 30, 2024
Migrate users from Identity Server v3 (ASP.NET Core) to Auth0 Help	2	3327	April 24, 2023
Migrate users from Asp.net Identity to Auth0 Help migrate-users	4	4477	December 14, 2020
Can't Migrate .NET SHA1 Passwords Help user-management , user-password-management	3	929	July 7, 2023
Importing users with pbkdf2 hashed passwords Help user-import , import-password	2	6146	April 10, 2020

Migrating users from ASP.NET Identity Core (2.0) to

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