Null reference exception while Configuring ESB in BizTalk 2013

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Recently, I was configuring ESB 2.2 on my BizTalk 2013 Machine, I was facing the below error

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**************Exception Text **************
System.NullReferenceException: Object reference not set to an instance of an object.
at EsbConfigurationTool.Panels.WebServicesException.get_WebSiteId()

The issue was, I had not installed the IIS 6 Management compatibility tools. ESB configuration tool uses the IIS 6 Management compatibility tools to add the web artifacts to IIS.
From the server manager, I installed the below features and after which I was able to resolve the issue.

Hope this helps.

Happy Biztalking!!

Written by
Shashidharan Krishnan

Reviewed by
Jainath V R 

Microsoft India GTSC