Troubleshooting: AD LDS Login Fails with "Password Does Not Match" Because the User Account Is Disabled

Version Affected: All
 
 

Overview

When logging in to a realm that uses AD LDS (Active Directory Lightweight Directory Services) as its membership provider, entering the password fails with Password does not match, even though the password is correct:

The realm's warning.log also shows an entry similar to:

<Root><EventID>51101</EventID><SeverityLevel>Error</SeverityLevel><Message>LDAPMembershipProvider.ValidateUserWithLDAPConnectionBind: username: bob, Exception: The supplied credential is invalid.</Message></Root>

If the realm's Workflow is instead set to request only a username, the user can log in, which confirms the realm can successfully query the AD LDS membership provider.

Cause

The user object is disabled in AD LDS. Newly created objects in AD LDS default to a disabled state.

Resolution

Enable the user object in AD LDS using a tool capable of writing to AD LDS, such as ADSI Edit or PowerShell. In ADSI Edit, edit the object's msDS-UserAccountDisabled attribute and set it to False:

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