Prerequisite installation failed: RewriteModule

Reading Time: 2 minutes

Prerequisite installation failed: RewriteModule

Error: Prerequisite installation failed: RewriteModule during Skype for Business Server 2015 deployment on Windows Server 2016


What is the RewriteModule?

IIS URL Rewrite 2.1 enables Web administrators to create powerful rules to implement URLs that are easier for users to remember and easier for search engines to find. By using rule templates, rewrite maps, .NET providers, and other functionality integrated into IIS Manager, Web administrators can easily set up rules to define URL rewriting behavior based on HTTP headers, HTTP response or request headers, IIS server variables, and even complex programmatic rules. In addition, Web administrators can perform redirects, send custom responses, or stop HTTP requests based on the logic expressed in the rewrite rules. Source:

How to fix it?

Just update the MajorVersion DWORD value to 7.

Where MajorVersion is located?

The path is HKLM\Software\Microsoft\InetStp

Quick Solution

Post updating the value do run “gpupdate /force” from command prompt:

Do use command prompt as Administrator.

Posting running GPUpdate, you can re-run the deployment wizard:

Install completed successfully:


Please enter your comment!
Please enter your name here