Licensing and activation tokens for Office use certificates chaining to the 2011 root. A missing root can force Office into "Unlicensed Product" mode.
If you are preparing a local installation for Visual Studio, you can use a batch script with certmgr.exe : certmgr.exe -add "path\to\MicrosoftRootCertificateAuthority2011.cer" -s -r LocalMachine root Important Maintenance Notes
Double-click the microsoft root certificate authority 2011.cer file.
This root effectively superseded older anchors like the Microsoft Root Authority (from the late 1990s) and Microsoft Root Certificate Authority (from 2001). While those older roots have since been deprecated or removed from the Trusted Root Store, the 2011 version remains a cornerstone of Windows 8, Windows 10, and Windows 11. microsoft root certificate authority 2011.cer
To verify the certificate exists, use PowerShell:
In modern UEFI-based systems, this certificate is often embedded in the firmware's "Authorized Signature Database" (db). This allows the hardware to verify the bootloader’s integrity before the operating system even starts, protecting against rootkits. Distribution and Lifecycle
This specific certificate belongs to the and serves several vital roles: Licensing and activation tokens for Office use certificates
This comprehensive guide explores what this certificate is, why it is critical to your system's health, and how to manage it. What is the Microsoft Root Certificate Authority 2011?
She had one desperate move. She could roll back the server's clock. It was a hack, a lie, a violation of every best practice. But if she set the system time back to December 30th, the root would be valid again, just long enough to complete the re-signing.
This certificate is currently set to expire on March 22, 2036 . This root effectively superseded older anchors like the
Validates hardware drivers via the Windows Hardware Quality Labs (WHQL) program.
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