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HTTP Error 500.21 - Internal Server Error Handler "ExtensionlessUrlHandler-Integrated-4.0" has a bad module "ManagedPipelineHandler" in its module list. - Connect IT Community | Kaseya
<main> <article class="userContent"> <p><strong>Problem: </strong>The Kaseya VSA gives the below message when trying to login: </p> <p><img src="/attachments/token/JvN8w7ckGJRdgh9fsGSryomPy/?name=000177.png" alt="image" class="embedImage-img importedEmbed-img"></img></p> <p><strong>Cause: </strong>This usually happens when the .NET Framework on the Kaseya Server has issues or has been removed.</p> <p><strong>Resolution/Workaround: </strong>Run this command via cmd as Admin and it should fix the issue: <strong><code class="code codeInline" spellcheck="false" tabindex="0">c:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regiis.exe -I</code></strong></p> </article> </main>