How to Backup an SCCM Site Server with PowerShell

Adam Bertram

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Backing up SCCM isn’t simple. Using PowerShell though, you can create a script to backup a site server with nearly everything we need!

Using the afterbackup.bat File

Previously, I was using the afterbackup.bat file to do some post-backup tasks doing a combination of SSRS backups and daily folders. It was working great although being a batch file it was pretty rudimentary.

I decided to write a PowerShell script that did all that batch file did with the robustness that PowerShell can provide like error handling and verification. Previously, I was limited to well…uh…a batch file but now I see a whole new light.

Any good SCCM admin knows that every time the built-in Site Backup SQL maintenance task runs, the site server executes the afterbackup.bat file located in %CONFIGURATION_MANAGER_INSTALL_FOLDER%\inboxes\ folder.

Buiding an SCCM Backup Site Server Script

People have done all kinds of stuff with this batch file. I’m not down with batch files anymore; I’m monogamous now with my friend PowerShell. Due to my monogamy, I’m just using afterbackup.bat to launch a PowerShell script which is going to do all the work. I think I’ve come up with a pretty slick solution.

After a lot of deliberation I decided against using a SQL Server maintenance plan to backup the database. Third-party database restoration is supported now with SCCM 2012 SP1 and I’ve heard good things about this approach but it wasn’t for me. I decided to use the built-in site backup task because of a single reason; I know the restore works great.

I’ve never performed a restore via a database backed up with the maintenance plan so I’d be in uncharted water if I ever had to do another restore.

To get a solid SCCM site backup requires a few prereqs first:

  1. You have the Site Backup SQL Maintenance task enabled and verified to be working in your ConfigMgr site.
  2. You have the site backup task configured to push off the backup to a remote server. You aren’t backing it up to the site server, are you?
  3. You have this line in your afterbackup.bat file: powershell.exe -ExecutionPolicy Bypass -NoProfile -NoLogo -FilePath %SOMEREMOTEPATH%\%POSTBACKUPSCRIPT%.PS1

Now that we have that out of the way here’s what I’ve come up with. I’ve tried to make this as robust as possible accounting for everything I can think of but if you see something that should be changed, please let me know.

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