Show Error Details – PowerShell

1. Use the -Verbose switch

First, try to use the -Verbose switch with the cmdlet that produces the error message, that might print out a verbose version of the error.

2. In the Interactive Shell

Use the $Error environmental variable with Select * to get a detailed error message

$Error | Select-Object *

3. In the Try - Catch block

If you use the Try_Catch_Finally block for error handling, add the following line to the Catch block to get the detailed error shown

...
Catch {
    $PSItem | Select-Object *
}
...