You recieve the error "Server Error: Maximum Request Length Exceeded" when using the AuthAnvil Kaseya 2 Addin


You receive the error "Server Error: Maximum Request Length Exceeded" when trying to save settings in either the "Configure Server Alert Settings" or the Configure Agent Alert Settings" sections of the AuthAnvil Kaseya 2 Addin.



The default request size limit is stopping the Kaseya Addin from successfully being able to post its results back to the server.



You can set this limit to allow the addin to successfully post its results to the server by completing the following steps:

  1. Open Kaseya’s web.config file, located by default at C:\Kaseya\WebPages\web.config.
  2. In the <system.web> section, add the following line: <httpRuntime maxRequestLength="51200" enable="True" executionTimeout="45" />
  3. Run an IISReset on the Kaseya server.
  4. Set the Server and/or Agent Alert settings as required.


AuthAnvil Addin for Kaseya 2 1.x



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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