Mac OS clients using Microsoft Remote Desktop are unable to connect via Remote Desktop Gateway Servers

Over the summer we build a Remote Desktop Gateway Cluster to provide remote access to workstations for some of our clients. Initial testing worked great for Mac OS, Windows and Linux users. For Mac OS we had clients download the official Microsoft RDP App from the App Store. Right before go-live day we updated our … Read more

How to perform an offline audit of your Active Directory NTLM hashes

It’s read-only Friday so I decided to perform a offline audit of our Active Directory passwords. I found this great tool: which in turn is a fork of this tool: What I’m going to write here is mostly a repeat of these two Gitrepos with a few tweaks and corrections. To perform this … Read more

List/Audit all folder delegate permissions on an Exchange mailbox

We recently needed a way to see what delegate permissions a client had given across the vastness that is their mailbox and it’s folder structure. Digging around online I found this script from John Hopkins which got me 90% of the way there. Their script was missing three things for my use case: Delegate permissions … Read more

Some Microsoft Storage Spaces Benchmarks

My backup server has a ASRock H370M-ITX/AC motherboard in it and at the time of these benchmarks 3x6TB Seagate Ironwolf SATA disks. I run Veeam and used the SATA disks as my backup repository. My original configuration was 2x6TB Ironwolfs in a RAID0 (using Microsoft Storage Spaces) with Bitlocker enabled. This worked perfectly fine and … Read more

Event ID 20292 from DHCP-Server

Checking over our DHCP server we were seeing quite a few of these errors appearing in the ‘Microsoft-Windows-DHCP Server Events/Admin’ event log: Log Name: DhcpAdminEvents Source: Microsoft-Windows-DHCP-Server Date: 1/28/2019 10:23:49 PM Event ID: 20292 Task Category: DHCP Failover Level: Error Keywords: User: NETWORK SERVICE Computer: Description: A BINDING-ACK message with transaction id: 943568 was … Read more