The Microsoft ASP.NET IIS Registration Tool allows an administrator or installation program to update the scriptmaps for an ASP.NET application to point to the ASP.NET ISAPI version associated with the tool. You can also use the tool to perform other ASP.NET configuration operations.

To run the tool:
  1. Click Start, Run and click Browse
  2. Browse to C:\WINNT\Microsoft.NET\Framework\v1.1.4322 and select ASPNET_REGIIS.EXE. Click Open.

    Note: The path and version number may be different on each computer. To find the correct path, search for the APSNET_REGIIS.EXE file and use that path.

  3. Enter a space and /i after ASPNET_REGIIS.EXE
  4. Click OK to run the installation
  5. Once installed, grant Read/Write NTFS permissions for the ASPNET user to the appropriate files and folders
  6. Repeat steps 1 - 4, browsing to C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727 and selecting ASPNET_REGIIS.EXE.
Refer to ASP.NET IIS Registration Tool (Aspnet_regiis.exe) for additional information on this tool.

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