What is the best way to patch a server Win2012R2 that has not being patched for 2 years?

patch-management

1-Native Windows Patch 2-Patch Management Software (Security Controls from Ivanti)?

Any other general advice on a sequence, timeline to perform this long patch?


Just run windows update, it's no longer like 2008R2 and older.

It will detect and install the latest cummulative update, which include older's one too.

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