Przemyslaw Klys

Przemyslaw Klys

AzureAD – Enable Password Expiration with Password Hash SynchronizationAzureAD – Enable Password Expiration with Password Hash Synchronization

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…

5 years ago
Active Directory DFS Health Check with PowerShellActive Directory DFS Health Check with PowerShell

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…

5 years ago
Finding GPOs missing permissions that may prevent GPOs from working correctlyFinding GPOs missing permissions that may prevent GPOs from working correctly

Finding GPOs missing permissions that may prevent GPOs from working correctly

I've been in IT for a longer time now. I've made my fair share of mistakes and misconfigurations. One of…

3 years ago
Renaming NETBIOS name of Active Directory ErrorRenaming NETBIOS name of Active Directory Error

Renaming NETBIOS name of Active Directory Error

Recently I was testing renaming the NETBIOS name of an Active Directory domain. While this process is fairly easy, there…

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

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…

5 years ago
PowerShell Modules I worked on in 2019PowerShell Modules I worked on in 2019

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…

5 years ago
Sending information to Event Log with extended fields using PowerShellSending information to Event Log with extended fields using PowerShell

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,…

5 years ago
Merging, splitting and creating PDF files with PowerShellMerging, splitting and creating PDF files with PowerShell

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…

5 years ago
Sending Messages to Microsoft Teams from PowerShell just got easier and betterSending Messages to Microsoft Teams from PowerShell just got easier and better

Sending Messages to Microsoft Teams from PowerShell just got easier and better

Christmas time is upon us, and I've decided that my PSTeams module needs some love. I wrote it in late…

5 years ago
Invoke-RestMethod : The underlying connection was closed: An unexpected error occurred on a send while connecting Graph APIInvoke-RestMethod : The underlying connection was closed: An unexpected error occurred on a send while connecting Graph API

Invoke-RestMethod : The underlying connection was closed: An unexpected error occurred on a send while connecting Graph API

In the last few days, I've got two reports that my PowerShell module for Office 365 Health suddenly started giving…

5 years ago