For legacy environments that cannot be immediately decommissioned, it is highly recommended to migrate these workloads to newer versions like or to Azure , where some legacy systems may receive additional protection.

Microsoft released a "convenience rollup" (KB3125574) that acts similarly to a service pack by containing hundreds of updates released after SP1 through April 2016.

This is the mandatory baseline for any modern workloads on this OS. It includes innovations like Dynamic Memory and RemoteFX.