Kaseya integration and known issues and troubleshooting (Legacy)

Known Issues

The “Monitor Against AuthAnvil Agent Tampering” scripts will only run once, when the Save Settings button is pressed on the Configure Agent Alert Settings page. We do not currently have a mechanism to schedule a script to run on a recurring basis.



When the Kaseya schema rebuild is launched, you get a HTTP 403 or 404 error.

Cause is not reachable on port 80. You are using a different http port, host headers, or requiring HTTPS access to the Kaseya server.


Change the URL in the address bar to reflect a correct internal URL for the server and reload the page.



When navigating to any page in the addin, you get an “Invalid Session ID: wsSessionId is an invalid length” error.


This error is caused by one of two scenarios:

  1. The Kaseya Web Service URL is wrong, check it under the “Configure Kaseya Logon” section of the addin. The default is, and will work in most situations unless you are using a different http port, host headers, or requiring HTTPS access to the Kaseya server.
  2. The session IDs are not properly synchronized. Log out of any of your Kaseya sessions and close all of your browser windows, then try again.



After upgrading Kaseya, the AuthAnvil icon disappears from the addin tab.


This is caused by Kaseya overwriting one of the CSS files that defines where the tab icons are stored during the upgrade. To get the icon back, open the C:kaseyavsaPresxmlThemeTemplatecsskaseyamodules.css file in your favorite text editor and add the following line to the bottom of the file and save it:

.module-AuthAnvil{background-image: url(${imageFinder.findCssImage(${theme},"SIZE24/Modules/AuthAnvil.png")}) !important;height: 24px;width: 24px;}


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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