IISRT Runtime Error -2172

Title

Summary

This article explains the cause and resolution for IISRT runtime error -2172.

Symptoms

Installer aborts after attempting to install Virtual Roots or Application Pools
Information such as the following is contained in a verbose log of the installation:

MSI (s) (8C:AC) [17:32:41:139]: Executing op: ActionStart(Name=caCreateVRoots,Description=Creating IIS Virtual Roots...,)

...

1: AddVRootToWebsite returned: 0
1: Error with IISRT: -2172

Cause

This runtime error is caused by an incorrect version populated in the "ASP .NET Version" field or an incorrect platform populated in the "ASP. NET Platform" field for a Web Site or Virtual Directory in the Internet Information Services view. The information populated in these fields is used to construct a path to the aspnet_regiis.exe file launched during install to adjust the ASP.NET version for a Web Site, Virtual Directory or Application Pool being installed.

Error -2172 will occur during install if the Application Pool's "Enable 32-Bit Application" setting conflicts with the Web Site's "ASP .NET Platform" setting.

Resolution

The full .NET framework version should be used in the "ASP .NET Version" field. For example, if a Virtual Directory is intended to use .NET 1.1, the version provided should be 1.1.4322. If the ASP.NET version for a Virtual Directory is intended to be 2.0, the version 2.0.50727 should be used.

Verify the Web Site's "ASP .NET Platform" setting is appropriately set for the Application Pool's "Enable 32-Bit Applications" setting.

Additional Information

The ASP .NET Version field on Virtual Directories and Web Sites provides the option for registering the installed resource with a specific version of ASP.NET.

For more information on setting the ASP .NET Version, please refer to InstallShield HelpNet article Setting the ASP.NET Version for a Web Site, Application, or Virtual Directory

For more information on how the Web Site "ASP .NET Platform" setting relates the the Application Pool "Enable 32-Bit Applications" setting, please refer to InstallShield HelpNet article Web Site Settings

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Case id: 00001065