Getting error "IIS is not installed or is disabled" during SQL Reporting Services installation

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PROBLEM DESCRIPTION:

One of my customers was trying to install SQL Reporting Services and noticed that he was not able to complete the installation. The IIS feature was disabled during the installation, and it was giving the following error message,

Unable to complete installation as IIS is not installed or is disabled.

FINDINGS:

- The setup log file showed,

Article: IIS Feature Requirement, Result: Warning
Description: IIS is not installed; therefore Report Server feature will be disabled

Action: Install IIS in order for Report Server feature to be enabled

- However we noticed that the IIS was installed properly and working fine.

- We then looked at the pre-requisites for the SSRS installation at https://support.microsoft.com/kb/934164 and checked th pre-requisites one by one.

- We observed that HTTP Redirection was not added during the time of IIS installation.

- After installing this, the SSRS installation went without any issues.

 

During similar situations, it is very important to check the basics – like in this case, look for the pre-requisites for the SSRS installation. Always review the installation log file to search for the errors.

I hope this helps.