The solution is to launch the Registry Editor (regedit.exe) and check for the Server Role at the following location depending on the SharePoint version:

SharePoint 2007: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Shared Tools\Web Server Extensions\12.0\WSS\ServerRole
SharePoint 2010: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Shared Tools\Web Server Extensions\14.0\WSS\ServerRole
SharePoint 2013: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Shared Tools\Web Server Extensions\15.0\WSS\ServerRole

The possible values are as follows:

SINGLESERVER – means this is a standalone / single server installation
APPLICATION – means this is an application server on a full farm installation (could also include the web front end role as well if multiple roles are used)
WFE – means this is a web front-end server on a full farm installation

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About Author

Satyendra Mishra

Project Management Professional (PMP) and Microsoft certified, motivated, energetic and accomplished Project Manager / Architect with 15+ years of work experience in Management, Architecture, Analytics, Development and Maintenance. I have been fortunate to be a part of over 25+ .Net / SharePoint projects delivery with various companies across different industry sectors. This has provided me a valuable insight and experience especially in successful implementation of SharePoint based solutions.

My experience in Web application implementation includes technology strategy and road-map definition, business and technical requirements identification, governance, platform architecture, solution design, configuration, development, quality assurance, training, post-production support, team lead and overall project delivery along with project management.

Satyendra Mishra holds a B.Tech. in Computer Science & Engineering and PG Diploma in Advance Computing from Center for Development and Advance Computing, Pune, India. He is also a certified Project Management Professional (PMP).

I love to share Project Management Tips and Tricks by writing Blogs in the Project Management India Community. I have written around 300+ articles in the Project Management, .Net, SharePoint and related client side technologies.