When done correctly, OffScrub can significantly reduce memory and CPU overhead on VDI/RDSH hosts, sometimes improving user density by 15–25%. When done wrong, it can take down a production farm in minutes.
if ((Get-WindowsFeature -Name AD-Domain-Services).Installed) Write-Error "This is a Domain Controller. OffScrub aborted." exit 1 setup prod offscrub
| Service Name | Required? | OffScrub Action | |--------------|-----------|------------------| | Spooler | Yes (printing) | Keep | | WSearch | No (search indexing) | Disable | | SysMain | No (Superfetch) | Disable | | Themes | Yes (UI stability) | Keep | The most common production-ready implementation is a PowerShell script that wraps Set-Service , Stop-Process , and Disable-ScheduledTask . OffScrub aborted
Use Infrastructure as Code (Terraform + Ansible) to version-control your OffScrub configuration. Treat your optimizations like application code—with tests and rollbacks. Have you deployed OffScrub in production? Share your exclusion list or horror story in the comments below. or orphan user sessions.
Do not run OffScrub on domain controllers or SQL servers without overrides.
Why would you do this in production? To , improve session density, or eliminate application conflicts on shared servers. However, running OffScrub incorrectly in production can break critical services, crash applications, or orphan user sessions.