Microsoft Root Certificate Authority 2011.cer Jun 2026

Check the expiration date of this root. While it is long-lived (likely expiring between 2026–2030 depending on the specific variant), you must plan for its eventual replacement. When it does expire, Windows will no longer trust certificates chaining to it.

But on a cool Tuesday in October 2026, that promise was about to become a problem. microsoft root certificate authority 2011.cer

She called Marcus, the county’s legal tech liaison. “Marcus, when was the last time someone updated the trust chain on the Judicial Archives?” Check the expiration date of this root

If you have found this file on your computer or downloaded it to fix an error, here is how to install it into your Windows Trust Store: the county’s legal tech liaison. “Marcus