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AzureAD – Enable Password Expiration with Password Hash Synchronization

Azure AD Connect allows three ways to make sure the user password is the same in Active Directory and Office 365. Those are Password Hash Sync, Pass-Thru Authentication, and ADFS. While my preferred option to go with would be Pass-Thru Authentication, only Password Hash Synchronization is the easiest and least resource-intensive. It synchronizes user password to Office 365, and even if your Active Directory is down, you can still log in to Office 365. It's perfect for small and even more significant companies that don't have resources or can't guarantee that their infrastructure will stay 100% time online so users can authenticate based on their Active Directory.

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Active Directory DFS Health Check with PowerShell

One of the critical parts of Active Directory is DFS. It allows you to share same NETLOGON/SYSVOL folders across all Domain Controllers in your Forest. Its health is vital to the functionality of your Active Directory. If it's broken, a lot of things may not work, and it's not that easy to tell the status of it. At first sight, everything may seem to work correctly, but if you take a closer look - not so much. It's great if you find it out by yourself, but not fun if suddenly GPO's don't apply to some users, computers, and you find out a year later.

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Four commands to help you track down insecure LDAP Bindings before March 2020

In March 2020, Microsoft will release its monthly updates. With those updates, Microsoft will disable insecure LDAP Bindings, which is going to break a lot of your systems (hopefully not). But this was already communicated, and you know all about it, right? If not, you should read those two articles that can help you with understanding what is happening and when.

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PowerShell Modules I worked on in 2019

It's year 2020 and 365 days passed since my last year blog post about PowerShell modules I worked on in 2018. I thought it would be a good occasion to review what happened and how things changed during that time. When I wrote the last blog post in the first days of 2019, my PowerShell modules were downloaded just a bit over 15000 times. Fast Forward today, and the counter is at 280000 times spread over 40 modules. Of course, not all those modules are equal. In 2019 I created multiple new PowerShell modules, but some modules were archived, while others were migrated back to their "parents". Just to see how my community road was going in the last years I decided to check some statistics.

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Sending information to Event Log with extended fields using PowerShell

Reading Event Logs is something that every admin does or at least should do quite often. When writing PowerShell scripts, you often need to read event logs to find out different things across your infrastructure. But now and then it's quite the opposite. You need to write something to Event Log so it can be recorded for the future. Sure, you can write your information to log files, but since Windows already has a built-in logging system, it may be much easier to write stuff to event log. This allows you to centralize your event logs and processed by specialized tools like SIEM.

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Merging, splitting and creating PDF files with PowerShell

We're in the last days of 2019, and this will be my last blog post this year. What better way to end a good year than with the release of the new PowerShell module. If the title of today's blog post isn't giving it up yet, I wanted to share a PowerShell module called PSWritePDF that can help you create and modify (split/merge) PDF documents. It joins my other PowerShell modules to create different types of documents such as PSWriteWord, PSWriteExcel, PSWriteHTML. I know that PSWriteExcel is relatively basic, but both PSWriteHTML and PSWriteWord deliver robust build capabilities.

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