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Hidden Obelisk

Real-world solutions for system administrators

Category: Windows Server

Administration and troubleshooting guides for Windows Server environments.

Active Directory issues, DNS and DHCP problems, Group Policy errors, certificate services, time synchronization, role failures, and practical PowerShell automation.

Focused on real-world server maintenance, stability, and production support.

Detecting Portable and Unauthorized Software with PowerShell and GPO

April 4, 2026~7 min read2 comments

In most enterprise environments, software inventory is treated as a solved problem. Tools like Microsoft Endpoint Configuration Manager (MECM/SCCM), Intune, or even basic registry parsing are deployed, tuned, and assumed to provide complete visibility. But inventory tools only report what … cat full-post.md →

  • Windows Server

Deploy Trusted Root Certificates via GPO (Step-by-Step Guide)

April 2, 2026~3 min read0 comments

When working in a Windows domain you will eventually face a situation where all machines need to trust a specific certificate. This can be an internal PKI a proxy with SSL inspection or internal services using custom TLS certificates. Installing … cat full-post.md →

  • Windows Server

“The computer did not resync because no time data was available” Fixing AD Time Sync

March 20, 2026~7 min read0 comments

Sometimes, a routine helpdesk ticket turns into a full-scale infrastructure investigation. It started with a standard user complaint: the clock on their Windows workstation was drifting, being almost a full day behind. Usually, in situations like this, I rely on … cat full-post.md →

  • Windows Server

GPO Proxy Applied but Not Working: The Missing IE Engine on Windows Server

March 19, 2026~5 min read0 comments

I recently ran into a classic “ghost in the machine” scenario: users on a new Windows Server 2019 terminal server reported that they couldn’t access the internet. The server had been recently stood up by a colleague, and like most … cat full-post.md →

  • Windows Server

How to Automatically Create Missing PTR Records for A Records in Windows DNS

March 2, 2026~6 min read0 comments

In large Windows DNS infrastructures, it is common to find A records without corresponding PTR records. This typically happens when: Over time, this leads to inconsistent forward/reverse DNS resolution. This article describes a production PowerShell script that: The Script Why … cat full-post.md →

  • Windows Server

Windows Server 2016: Update stuck on Downloading (wuauserv not stopping)

February 25, 2026~2 min read0 comments

Windows Updates were stuck on Downloading for an extended period, sometimes even for days, without ever progressing to the installation phase. In this situation, the wuauserv process is often hung internally, it keeps the service in a RUNNING state but … cat full-post.md →

  • Windows Server

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