SCCM: Boundaries, Groups & Site Setup
Intune
Aug 28, 2025 12:03 PM

SCCM: Boundaries, Groups & Site Setup

by HubSite 365 about Dean Ellerby [MVP]

Microsoft MVP (Enterprise Mobility, Security) - MCT

Pro UserIntuneLearning Selection

Microsoft ConfigMgr SCCM guide to boundaries and boundary groups for site assignment DPs and peer downloads

Key insights

  • The video by Dean Ellerby [MVP] walks through a step-by-step setup for Configuration Manager 2503 (SCCM) to make sure clients can find content and policy using boundaries and boundary groups.
  • To create a boundary the tutorial covers common types: IP subnet, AD site, IP range, and VPN entries; it shows using ipconfig to find your subnet and explains subnet ID auto-calculation for accurate network definitions.
  • The video explains how to build a boundary group, add boundaries to it, and configure site assignment so discovered clients assign automatically to the correct site; it also shows linking site system servers and distribution points for local content delivery.
  • Key client behavior topics covered include fallback relationships between boundary groups, support for multiple site systems per group, and enabling peer downloads (peer cache style) to reduce WAN traffic and speed deployments.
  • The tutorial shows the security tab to control who can edit boundary groups and warns against misusing the default boundary group, which can cause incorrect site assignments if changed carelessly.
  • Final checks and best practices: verify the distribution point association, test client assignment and content access, keep boundary definitions accurate, and use fallback and peer options to improve resilience and performance.

Overview — Config Manager 2503 Boundary Management

Overview

In a recent YouTube video, Dean Ellerby [MVP] walks viewers through the essentials of Microsoft Configuration Manager 2503, focusing on network boundaries and grouping. The presentation explains how Boundaries and Boundary Groups help clients find policy and content from site systems such as distribution points. Importantly, the video is practical and step-by-step, so administrators new to Config Manager 2503 can follow live examples that include IP subnets, AD sites, and IP ranges. As a result, the tutorial situates the concepts clearly within the Configuration Manager console and common administrative tasks.

Step-by-step setup explained

First, Ellerby shows where Boundaries and Boundary Groups live in the console and walks through creating a boundary using different types: IP subnet, AD site, IP range, and VPN. He demonstrates how to locate a subnet with a simple ipconfig example and explains how the subnet ID can be auto-calculated, which speeds setup for common networks. Then, he creates a new Boundary Group, adds the boundary, and points out why the site system count shows zero until servers are explicitly added. Consequently, viewers get a clear picture of both the initial steps and the immediate checks they should run after creating boundaries.

Assigning sites and adding site system servers

Next, the video covers associating site system servers—such as management points and distribution points—with boundary groups so clients request content from the nearest server. Ellerby explains how to enable site assignment within a boundary group so discovered clients can be assigned automatically to a site, which is useful in one-site or simple provisioning scenarios. He also emphasizes adding multiple site systems per boundary group to provide redundancy and balance load. Therefore, administrators can weigh the benefits of local performance against the complexity of managing more site systems.

Relationships, fallback, and client behavior

Then, the tutorial addresses relationships and fallback among boundary groups, demonstrating how you can configure clients to expand their search when preferred servers are unavailable. For example, fallback options let clients request content from neighboring boundary groups, which improves resilience across WAN links. However, Ellerby cautions that broad fallback paths can increase cross-site traffic, so administrators should plan carefully. Ultimately, the video shows that fallback improves availability but requires disciplined design to avoid unexpected bandwidth use.

Options for distribution and peer downloads

Additionally, Ellerby reviews boundary group options such as allowing peer downloads or enabling peer-cache style behaviors to let clients source content from nearby peers. He explains the potential benefits, especially for remote or branch office scenarios where distribution points are limited, and how peer downloads can reduce strain on central servers. On the other hand, he notes security and reliability tradeoffs, because peer-sourced content adds variables like peer availability and network security considerations. Thus, administrators should test peer options in controlled environments before broad deployment.

Security and administrative controls

The video also highlights the Security tab in boundary group properties and stresses that only authorized personnel should modify these settings. In particular, misconfiguration of the default or production boundary groups can disrupt site assignment and content flow, so roles and permissions matter. Ellerby recommends avoiding modifications to the default boundary group unless you understand the consequences, and he shows how to review who can edit each group. Consequently, governance and change control become integral parts of a healthy Configuration Manager deployment.

Tradeoffs and practical challenges

While the tutorial makes setup straightforward, it also draws attention to practical tradeoffs: higher granularity of boundaries increases accuracy but raises administrative overhead, while broader boundaries reduce management work but can misassign clients or route traffic inefficiently. Moreover, networks with dynamic addressing, roaming users, or misaligned AD sites present challenges to consistent client behavior, so alternate boundary types or combined approaches may be necessary. Therefore, choosing a design requires balancing accuracy, manageability, and network impact. In addition, ongoing documentation and monitoring help mitigate the risks that come with more complex boundary schemes.

Takeaways for administrators

Finally, the video offers clear next steps: create boundaries that reflect your network, assign appropriate site system servers, enable site assignment where it makes sense, and test fallback and peer options carefully. Ellerby closes by recommending administrators check their distribution points and verify that clients locate content and policy as expected. Overall, the YouTube video serves as a concise, practical guide to the core elements of SCCM boundary management in ConfigMgr 2503, combining hands-on actions with guidance on tradeoffs and governance. Administrators will find it useful as a foundation for more advanced Configuration Manager planning and tuning.

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Keywords

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