PowerShell - Scripting Best Practices
Why might a signed PowerShell script still fail to run on another computer even if the signature status is 'Valid'?
Why might a signed PowerShell script still fail to run on another computer even if the signature status is 'Valid'?
hard📝 Conceptual Q10 of 15
Step-by-Step Solution
Solution:
Step 1: Understand signature validation depends on trust
A valid signature means the script matches the signature, but trust depends on the certificate chain on the local machine.Step 2: Analyze other options
File size and deprecated cmdlets do not affect signature validity; expired certificates usually cause invalid signatures.Final Answer:
The signing certificate is not trusted on the other computer -> Option BQuick Check:
Valid signature requires trusted certificate on local machine [OK]
Quick Trick: Valid signature needs trusted cert on each machine [OK]
Common Mistakes:
- Assuming valid signature means universal trust
- Blaming file size or cmdlets for signature issues
- Ignoring certificate trust chain differences
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