Foreign Security Principals or FSPs have existed since Windows Server 2000. However, you could work as a system administrator for years without even noticing their presence because the mechanism behind them is almost fully transparent—almost.
Contents of this article:
- FSPs in a nutshell
- Why an FSP becomes an orphan
- How to identify and clean up orphan FSPs with the GUI
- List and clean up orphan FSPs with Powershell
- Automate the process
- Recover a deleted FSP
Read more from my guest article at 4SysOps
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