In this article, we’ll try to find out how to manually update the list of root certificates in TrustedRootCA on isolated networks or computers/servers without a direct Internet connection. If Windows doesn’t have a direct access to the Windows Update directory, the system won’t be able to update the root certificates, so a user may have some troubles with opening websites (which SSL certificates are signed by an untrusted CA, or with installing/running signed scripts and apps. Windows requests a trusted root certificate lists (CTL) renewal once a week. If the verified certificate in its certification chain refers to the root CA that participates in this program, the system will automatically download this root certificate from the Windows Update servers and add it to the trusted ones. As part of the Microsoft Trusted Root Certificate Program, MSFT maintains and publishes a list of certificates for Windows clients and devices in its online repository. The VcRedist module is published to the PowerShell Gallery and can be found here: LatestUpdate.All Windows versions has a built-in feature for automatically updating root certificates from the Microsoft websites. Verison 3 of LatestUpdate has been re-written and includes full support for PowerShell Core. If you are running an earlier version of PowerShell, update to the latest release of the Windows Management Framework. Some basic testing has been done on Windows 7 with WMF 5.1.

LatestUpdate supports PowerShell 5.0 and above and is tested on macOS, Windows 10 and Windows Server 2016. Regularly updated documentation for the module is located at Supported Platforms Updates can also be applied directly to a WIM. Importing a cumulative update into the Packages nodes in an MDT share enables updates during the offline phase of Windows setup, speeding up an installation of Windows. In addition, the module provides a function for downloading the update files locally.

NET Framework Cumulative Updates, the Monthly Rollups for 8.1 / 7 (and Windows Server 2012 R2, 2008 R2), Windows Defender updates and the latest Adobe Flash Player updates from the Microsoft Update History pages. A module for retrieving the latest Windows 10 / Windows Server 2016, 2019, Semi-annual Channel Cumulative Updates, Servicing Stack Updates.

Refresh windows update catalog