SoftArc Engineering is a civil engineering firm company which works across Australia as well as in Indonesia, Timor Leste and Papua New Guinea. SoftArc Engineering currently has a small self-managed data centre that has the following servers:

• 2 x Active Directory domain controllers on Windows Server 2012 R2, (2 x Xeon 3.6GHZ, 8GB RAM, 140GB HDD). These servers are used for authentication and authorisation;
• 3 x SQL Server 11.0 (2012) database servers on Windows Server 2012 (2 x Xeon 2.8GHZ, 4GB RAM, 500GB RAID-5 array). These servers are used for database operations for Active Directory, Exchange, SharePoint and their Client Design application;
• 1 x Exchange 2013 email server on Windows Server 2012 R2 (2 x Xeon 3.6GHZ, 8GB RAM, 250GB RAID-1 array);
• 4 x Windows Server 2016 File and Print servers (2 x Xeon 2.8GHZ, 4GB RAM, 250GB RAID-1 array);
• 1 x SharePoint 2013 server on Windows Server 2012 R2 (2 x Xeon 3.6GHZ, 16GB RAM, 250GB RAID-1 array);
• 1 x Client Design and CRM application server on Windows Server 2016 (2 x Xeon 3.6GHZ, 8GB RAM, 250GB RAID-1 array);
• 2 x Red Hat Enterprise Linux v7.1 (2015) servers running Apache TomCat v. 7.0 (2 x Xeon 2.8GHZ, 16GB RAM, 140GB HDD).
• 1 x Cisco 5505 ASA Firewall v9.3 (2014)

The board have been advised to retire most of their old physical servers and start moving their operations onto a virtual platform. You have been employed to advise the board on various aspects of virtualisation.