Endpoint Protection Content Delivery Changes for Windows Vista, 7, Server 2008 and 2008 R2
Article ID: 261397
Updated On:
Products
Issue/Introduction
Starting September 26, 2023 content updates(definitions) will no longer be signed with a SHA-1 certificate. This will impact some legacy unpatched Operating Systems from applying updates.
Environment
Affects the following Operating Systems.
- Windows Vista
- Windows 7
- Server 2008
- Server 2008 R2
Cause
Microsoft Secure Hash Algorithm (SHA-1) has been deprecated.
Windows Update SHA-1 based endpoints discontinued for older Windows devices
https://support.microsoft.com/en-us/topic/windows-update-sha-1-based-endpoints-discontinued-for-older-windows-devices-10b58bd9-5ba2-b23d-498b-139ce5c709af
Resolution
After September 26, 2023, content updates will only be signed with a SHA-2 certificate. To continue receiving content updates(definitions) on legacy Operating Systems, use one of the options below.
Windows 7, Server 2008 and 2008 R2
-
- Install this Microsoft Windows Update to allow SHA-2 signed content updates.
Windows Vista
-
- Upgrade to an Operating System which has support for files signed with a SHA-2 certificate.
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