Upgrading VSA v8 from v7 with the Paid Addin causes VSA login failures


When you upgrade VSA to v8 the v4.3 addin will not initially work.



There were changes in made in VSA v8 that temporarily disabled the Kaseya Addin's ability to connect to the database.



You will need to apply a small Hotfix. The deployment of this Hotfix is simple just follow this process.

  1. Contact support for the Hotfix.
  2. Download the Hotfix on the Kaseya server.
  3. Copy the AuthAnvilKaseyaAddin.dll to the "C:\Kaseya\WebPages\bin" folder.


Once the Hotfix is applied close all open VSA Browser Sessions and relaunch VSA. You should now be able to successfully log into VSA using 2FA. 


Kaseya VSA v8 

AuthAnvil Password Solutions Addin for Kaseya Paid v4.3 Addin.


If you have any questions or need some help, we would be happy to assist. Open a case at or send an email to


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