As seen in title when error “Your connection is not private | NET::ERR_CERT_DATE_INVALID” occured which seems as follows in screenshot when you try to open environment link in browser.
The reason for above error in my case was that SSL certificate was expired as you can see in following screenshot
To solve this issue go to your lcs.dynamics.com with your credentials and open your project now select which ever environment and visit see details/Full details page and click on maintain button and select Rotate secrets button
Now click on Rotate SSL certificates
after which dialogue box will appear click on yes
Now wait till rotating secret symbol is loading as following screenshot after which you will be able to access your D365 Finance and operation link easily.
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