We deployed our codebase on the upgraded instance on Sitecore 9.0.2 in an scaled environment.
We are on Sitecore 9.0.2 upgraded scaled instance. Since we don’t have plans to use EXM module hence we disabled it.
Installing 9.0.0 on a machine which already have 9.0.1 installed on it. Getting below Cert exception:
Next big thing is to assess the various Upgrade Approaches available and choose the right fit for your project.
Until and unless you belongs to that rare breed of an IT team which have everything well documented,
Incessant improvements, keep on introducing something new and regularly fixing the existing bugs are the key qualities
Old days are gone with dependency on client licenses for the willingness to learn/explore something new on Sitecore.