Before running the wizard in the SCCM console, you must set up your repository:
Create a folder on a network server (e.g., \\ServerName\UpdatesSource ). Set Permissions:
If your SCCM site server has no internet access, you can download updates on a connected machine and move them to a local share.
You can centrally manage the binaries on a high-speed network location before distributing them to remote Distribution Points (DPs) . Step 1: Prepare the Network Source Location
When managing updates in an air-gapped or restricted environment, you can configure to pull update binaries from a local network share instead of the internet. This approach is ideal for "sneakernet" scenarios or when internet bandwidth is limited on the site server. When to Use This Method
How to Download Software Updates from a Location on Your Network in SCCM
It avoids multiple site servers redundantly downloading the same massive update packages (like Windows 10/11 Cumulative Updates) over a slow internet link.
Download the required update files from the Microsoft Update Catalog using an internet-connected machine and copy them into this shared folder. Step 2: Download Updates via the Network Location