app can’t authenticate with OD, until password is reset

Has anyone seen a problem where an app can't authenticate with OD for a certain user, and which is solved simply by re-entering the user's password in WGM? The OD server is running 10.5.8. Active Directory is [i]not[/i] in use. All users can log into their workstations without issue. Files are local, no network homes or PHDs. A second machine has Final Cut Server running on it. Some users can authenticate and log into the FCSvr Java client app fine. But other users can't authenticate (it says bad username or password), even when: [list] [*]they use the same instance of the client app on the same computer, [*]they can log into any computer with the same username/password, and [*]their group membership and all other OD settings are identical to accounts that do work. [/list]The following error is written to the console: [code]pps proxy error: dsDoDirNodeAuth = -14091[/code] and sometimes [code]eDSAuthFailed -14090[/code]The weird thing is, if you type in the user's password into WGM again--the same pw that was working all along for them to log into computers--then they can log into the FCSvr Java client app with no issues. Does anyone know what causes it to get in this state, and how to avoid it?