Assure only 1 instance of PowerShell Script is Running at any given Time

Question

I am writing a batch script in PowerShell v1 that will get scheduled to run let\'s say once every minute. Inevitably, there will come a time when the job needs more than 1 m

Answer 1

If the script was launched using the powershell.exe -File switch, you can detect all powershell instances that have the script name present in the process commandline property:

Get-WmiObject Win32_Process -Filter "Name='powershell.exe' AND CommandLine LIKE '%script.ps1%'"