Przemyslaw Klys

System Architect with over 14 years of experience in the IT field. Skilled, among others, in Active Directory, Microsoft Exchange and Office 365. Profoundly interested in PowerShell. Software geek.

Upgrade Azure Active Directory Connect fails with unexpected error

Today, I made the decision to upgrade my test environment and update the version of Azure AD Connect to the…

1 week ago

Mastering Active Directory Hygiene: Automating Stale Computer Cleanup with CleanupMonster

Have you ever looked at your Active Directory and wondered, "Why do I still have computers listed that haven't been…

4 months ago

Active Directory Replication Summary to your Email or Microsoft Teams

Active Directory replication is a critical process that ensures the consistent and up-to-date state of directory information across all domain…

8 months ago

Syncing Global Address List (GAL) to personal contacts and between Office 365 tenants with PowerShell

Hey there! Today, I wanted to introduce you to one of the small but excellent module I've created called the…

1 year ago

Active Directory Health Check using Microsoft Entra Connect Health Service

Active Directory (AD) is crucial in managing identities and resources within an organization. Ensuring its health is pivotal for the…

1 year ago

Seamless HTML Report Creation: Harness the Power of Markdown with PSWriteHTML PowerShell Module

In today's digital age, the ability to create compelling and informative HTML reports and documents is a crucial skill for…

1 year ago

How to Efficiently Remove Comments from Your PowerShell Script

As part of my daily development, I create lots of code that I subsequently comment on and leave to ensure…

1 year ago

Unlocking PowerShell Magic: Different Approach to Creating ‘Empty’ PSCustomObjects

Today I saw an article from Christian Ritter, "PowerShell: Creating an "empty" PSCustomObject" on X that got me curious. Do…

1 year ago

Report Active Directory Accounts that are Synchronized with Azure AD

I was scrolling X (aka Twitter) today and saw this blog post, "PowerShell: Report On-Premises Active Directory Accounts that are…

1 year ago

Function cannot be created because function capacity 4096 has been exceeded for this scope

I had a long day today when my long-running script (10 hours) gave me weird errors with Microsoft Graph for…

1 year ago