Przemyslaw Klys

Office 365 – Limiting license to minimum apps required

Office 365 has a lot of options and applications to choose from. Enabling one E1, E3, or any other license…

3 weeks ago

The security account manager (SAM) has determined that SID is already in use in the Forest

The security account manager (SAM) has determined that the security identifier (SID) for this computer is already in use in…

3 weeks ago

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…

3 weeks ago

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…

3 weeks ago

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 weeks ago

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…

3 weeks ago

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…

3 weeks ago

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…

3 weeks ago

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,…

3 weeks ago