SCCM- software update deployment

Question

Hi all,

I have one question about software update deployment , once Software Updates Deployment Evaluation Cycle completed and if there is any new deployment available. will client get the software updates form nearest DP or will client check anything to SUP server before the download?

Answer 1

@Sengo Marimuthu
The client will not check anything of the SUP server before downloading but directly get the software updates form from DP. The process of how to find the location of the DP is as follows:
After the software update deployment evaluation cycle is completed, Updates Deployment Agent raises state messages for the deployment. Updates Handler initiates the download request from Content Access service. Content Access service starts a download job for each update and creates a Content Transfer Manager (CTM) job. Content Transfer Manager starts working on the download job. It first requests the location for the content that must be downloaded. This location request is handled by Location Services, which sends the location request to the management point, obtains the location response, and then hands it back to the Content Transfer Manager. Content Transfer Manager receives the distribution point location for the requested content and starts a Data Transfer Service job to initiate the download of the update.

For detailed steps, please refer to this document:
https://learn.microsoft.com/en-us/troubleshoot/mem/configmgr/track-software-update-deployment-process#deployment-evaluation-and-update-installation-on-clients

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Answer 2

To add a slightly different spin on @Anonymous 's correct answer, the SUP is never used to download updates. The SUP only provides the update catalog in a ConfigMgr infrastructure. The actual updates (aka files/binaries) always come from a DP (or Windows Update if the client is on the Internet or you've configured the site to allow this). Thus, there's no reason to communicate with the SUP after an update deployment eval.