This is the critical patch that updates the OS crypto-identity baseline to recognize SHA-2 signed binaries.
If you are spinning up a brand new, unpatched Windows 7 instance from an old ISO, the standalone update tool might hang. You should also stage: KB3125574 (The Windows 7 Convenience Rollup) Step-by-Step Resolution Workflow
addresses a critical issue where VMware Tools installation or upgrades fail on legacy Windows operating systems—specifically Windows 7 SP1 and Windows Server 2008 R2 SP1 . This widespread error occurs because newer versions of VMware Tools (version 11.1.0 and higher) use drivers signed exclusively with the SHA-2 encryption algorithm , which vanilla installations of these older Windows operating systems cannot verify without a free Microsoft patch. kbvmware s article 78708 free
The primary reason VMware Tools upgrades or fresh installations fail on legacy operating systems like and Windows Server 2008 R2 SP1 is a missing SHA-2 code signing support patch. Because newer VMware Tools versions (specifically 11.1.x and above) exclusively use SHA-2 digital signatures, unpatched systems fail driver signature verification, causing the setup to abort with generic driver installation errors.
: System cache and temporary data that wasn't automatically cleared. This is the critical patch that updates the
A restart is necessary for the changes to take effect.
VMware Tools fail on Windows 7/Server 2008 R2 due to missing SHA-2 support. This widespread error occurs because newer versions of
: Any kernel-mode or user-mode driver compiled after this date must be signed with a SHA-2 certificate.
Reviewing the vminst.log inside the VM reveals driver registration errors or signature validation failures. Step-by-Step Guide to Applying the KB 78708 Fix
Double-click and install (Servicing Stack Update) first. Double-click and install KB4474419 (SHA-2 Support Update).
You must install the necessary Microsoft update (KB4474419).