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Bronze Super Contributor
Posts: 113
Registered: ‎07-27-2009

SLX8 - Login not possible after Upgrade from 7.5.4 to 8.0.0



just want to share this.


Belongs to: SLX8 LAN, Windows Authentification


After upgrading from 7.5.4 to 8.0.0 one of our users was not able to login in SLX. Error message was some kind of unknown error.


Same workstation, with another windows login, it was possible to login in SLX.


I found out, that SLXProviderExtensions.dll in AppData-Folder was still from 7.5.x. After deleting the file, login was possible again.


Full path to the file:



File and folders are created, when they do not exist. For each connection an own folder is created.

Rainer Raebiger