Скачать или смотреть Resolving the Powershell Error: Determining Password Age in Active Directory

Discover how to fix the `Powershell` script error that prevents you from calculating User Password Age in Active Directory effectively.
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This video is based on the question https://stackoverflow.com/q/64169677/ asked by the user 'Nardus Schroeder' ( https://stackoverflow.com/u/13251028/ ) and on the answer https://stackoverflow.com/a/64173184/ provided by the user 'Doug Maurer' ( https://stackoverflow.com/u/4085331/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Resolving the Powershell Error: Determining Password Age in Active Directory

Good morning! If you’re diving into scripting with Powershell and are faced with challenges, you're not alone. One common issue is determining the age of a user's password in Active Directory (AD). Let's walk through the problem and explore how to resolve it effectively.

Identifying the Problem

When attempting to calculate how long it's been since an AD user's password was last set, you might encounter the following error:

[[See Video to Reveal this Text or Code Snippet]]

This error arises when your script tries to use the .AddDays() method on a value that is inherently incompatible. In this case, the value being passed is of type System.TimeSpan rather than a numeric type that .AddDays() expects.

Understanding the Script Section

Here’s a simplified snippet of the problem code you’re working with:

[[See Video to Reveal this Text or Code Snippet]]

In this code, $maxPasswordAge represents the maximum password age retrieved from the Fine-Grained Password Policy. This value is often a TimeSpan object.

Solution Overview

To fix this issue, we need to convert the TimeSpan into the total number of days it represents. Here’s how you can tweak your code effectively.

Step-by-Step Solution

Modify the Script: Update the line where the error occurs to correctly handle the TimeSpan. You can utilize the .TotalDays property of the TimeSpan object.

Corrected Code Example:
Update your script as follows:

[[See Video to Reveal this Text or Code Snippet]]

This change ensures that the .AddDays() method receives a proper Double value instead of a TimeSpan.

Why This Works

Casting the TimeSpan: By casting $maxPasswordAge to [timespan], we ensure that it is processed as a TimeSpan object.

Using TotalDays: The .TotalDays property returns the total number of days represented by the TimeSpan, which is a double value that .AddDays() requires.

Final Notes

Once you've made the modifications above, your script should run smoothly without throwing conversion errors, effectively calculating the age of user passwords in Active Directory.

If you run into any further issues, don’t hesitate to reach out within the community or refer back to this guide for help. Happy scripting!