Windows Server

19 posts

2020-01-14 Remote Desktop Gateway Vulnerability: PATCH. NOW!

As the subject says, there is basically an open door in the way RD Gateway handles incoming packets. Whether it is being exploited in the wild as of this writing is questionable. That being said, this is a bad one folks. Get those RD Gateway servers patched up. Oh, and […]

SMB & SME IT Pro Ransomware Protection Guidance

The following is a list of things we can do to help protect our client’s networks from a Ransomware Attack or recover from one if someone does end up doing something they should not have. Train users to not click ENABLE MACROs. Image Credit: https://www.malware-traffic-analysis.net Remember, those little EXTERNAL flags […]

OS Guide: Slipstream Updates Using DISM and OSCDImg Updated

We’ve updated our slipstream guide. A link to the OSCDImg download via the ADK is now included along with some additional instructions. Crayon has been loaded and tweaked to work with our WordPress so the script is so much easier to read. 🙂 OS Guide: Slipstream Updates Using DISM and […]

Remote Desktop Services Vulnerabilities: Now what?

There have been a number of vulnerabilities published for the Remote Desktop Services protocol stack over the last little while. The catch with all of them is to have a RDP listener open to the Internet on any port with Network Level Authentication disabled or not available as it was […]

Protecting a Hyper-V Host and Backup Repository from Malware and Ransomware

With the abundance of malware and ransomware it’s absolutely necessary that we take the time to examine our virtualization host and backup structures. Volume Shadow Copies Obviously not a “backup” Most ransomware kills all shadow copies available on a system Backup to Disk/NAS/SAN Disk Rotated NAS/SAN needs to be streamed […]

Server 2019 and ADDS: FRS Not Supported – Migrate to DFSR

We went to DCPromo a newly stood up Windows Server 2019 VM into an existing domain and it would not let us do so. Suffice it to say, we needed to migrate File Replication Service (FRS) to Distributed File System Replication (DFSR). The process is actually quite simple so long […]

Disaster Preparedness: KVM/IP + USB Flash = Recovery. Here’s a Guide

One of the lessons the school of hard knocks taught us was to be ready for anything. _Anything_ One client space had such a messed up HVAC system that the return air system, which is in the suspended ceiling, didn’t work because most of the vent runs up there were […]

AD DS Operation Failed – directory service is missing mandatory configuration – Event ID 2091 – FSMO Role Broken

We went to run a DCPromo on a temporary DC to remove it from a domain and received the following error: Active Directory Domain Services Installation Wizard The operation failed because: Active Directory Domain Services could not transfer the remaining data in directory partition DC=ForestDNSZones,DC=DOMAIN,DC=LOCAL to Active Directory Domain Controller […]