About this update
If you currently use SHA512 certificates, and do not have this update installed, you may have problems in one or more of the following scenarios by using TLS 1.2:
- Internet Protocol security (IPsec) stand-alone
- IPSec with DirectAccess
- Microsoft Lync Server 2013
- Remote Desktop Services (RDP)
- SSL websites
- SSL based VPN
- Web applications
- RSA\SHA512 means that the RSA signature algorithm is combined with SHA512 hash algorithm.
- ECDSA\SHA512 means that the Elliptic Curve Digital Signature Algorithm (ECDSA) is combined with SHA512 hash algorithm.
How to obtain this update
For Windows 8.1 or Windows Server 2012 R2The following update rollup is available:
For Windows 8 or Windows Server 2012The following update rollup is available:
For Windows 7 or Windows Server 2008 R2
Method 1: Windows UpdateThis update is available from Windows Update.
Method 2: Microsoft Download CenterThe following files are also available for download from the Microsoft Download Center:
|All supported x86-based versions of Windows 7||Download the package now.|
|All supported x64-based versions of Windows 7||Download the package now.|
|All supported x64-based versions of Windows Server 2008 R2||Download the package now.|
|All supported IA-64-based versions of Windows Server 2008 R2||Download the package now.|
Update detail information
PrerequisitesThere is no prerequisite to apply this update.
Registry informationTo apply this update, you do not have to make any changes to the registry.
Restart requirementYou have to restart the computer after you apply this update.
Update replacement informationThis update does not replace a previously released update.
For more information about TLS, go to the following Microsoft website:
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base: