Tuesday, May 14, 2013

SCCM Site server role

Site Server: Where SCCM is installed

Site Database Server - The server running SQL and hosting the SCCM Site Database. (only required for Primary Sites)

Component Server - All SCCM Site System roles (except for the Distribution Point (DP)), requires SCCM-specific software to be installed in order for the Site System role to function. When such software is installed on a computer that computer becomes a Component Server.

Distribution Point (DP) - Stores SCCM Packages from where Clients can access them to install them. Only required for the Software Distribution, Software Updates and Advertised Task Sequences functions of SCCM.  We can have up to 100 DP’s per site. Each DP can support up to 4,000 clients.

Fallback Status Point - A “catch all” Site System for Clients that cannot be installed because of various issues such as assignment, or their inability to communicate with their Management Point (MP). Not required by default, but recommended to help with Client installation issues.
Can be supported up to 100,000 clients.

Management Point (MP) - SCCM Clients do not communicate directly with the SCCM Site Server. Instead, all the communication is facilitated via the Management Point. A Default Management Point needs to be defined in every Site that has Intranet Clients.  One single management point can support upto 25,000 clients. If a Management Point need to support more than 25,000 clients  then the site need to be configured to use Network Load Balancing (NLB).

Pre-boot Execution Environment (PXE) Service Point - The Site System that responds to any computers requesting deployment of their Operating System (OS), via a PXE request. Only required if Operating System Deployments (OSD), are going to take place using PXE boot requests.

Reporting Point (RP) - Hosts the Report Viewer component that provides the web-based reporting functionality of SCCM. Only required if Reports need to be run on a particular Primary Site.

Server Locator Point (SLP) - Responsible for informing SCCM Clients which MP they should access in order to install the SCCM Client software. Only required in some Client Deployment scenarios.

Software Update Point (SUP) - Assigned to the computer running Windows Server Update Services (WSUS). Only required if the Software Updates feature is going to be used.
Based on the WSUS configured, up to 25,000 clients can be supported with WSUS 3.0 SP1 and up to 100,000 clients when WSUS SP2  is used.

State Migration Point (SMP) - Stores the user’s state migration data when a computer’s OS is migrated. Only required if the OSD feature is going to be used.

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