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19 February, 2021

Imrpoving Call Quality with 3CX and pfSense

I had a client that started complaining about poor call quality. They are utilizing a 3CX hosted PBX with a pfSense firewall at each branch location. The big issue that the client was having is that some calls were poor quality which lead me to believe that it was a latency issue on the WAN […]

6 February, 2021

Creating an OpenVPN server with Mikrotik and Domain Authentication Using Domain CA

Recently I was asked by a client to create an openVPN server that utilizes their existing Active Directory and Key Infrastructure. While this probably not the only way of implementing this solution here are the steps I followed to get it working Some thing I am assume you already have in place Mikrotik Router that […]

22 November, 2020

Remove Office 365 License Status When Re-purposing Workstations

From time to time I am asked to re-purpose an workstation for a new user. One of the tasks is to remove the current Office 365 License (This Product Belongs To) info This can easily be achieved using the Office Licensing Script included with Office Step 1: Open Command Prompt on PC Open a Command […]

9 November, 2020

Fixing Windows Boot Issues

Sometimes your Windows PC may fail to boot. While the main cause could be any number of things this post will focus on a corrupt/missing EFI partition. *DISCLAIMER* The information in this post is provided without any guarantees and may cause data loss ensure you have good backups before proceeding, you have been warned! First […]

6 November, 2020

Keyset does not exist error when opening Microsoft 365 apps

We recently migrated a bunch of users from one domain to another after two companies merged. Everything went smoothly and users were able to work with little to no downtime. However the migrated users started complaining that they were unable to open their Office Applications with the following error Error code: 80090016 Correlation id: ********-cbe3-*****-9324-*********** […]

28 October, 2020

Granting Permissions on Exchange Server Folders

Often my clients contact me and ask to give another user access to their calendar, while this is an easy task for most people some users are either just too lazy to figure it out or just too scared to be messing with settings. Instead of logging into the clients computer and adjusting the permissions […]

24 May, 2020

Using Oxidized to backup your Mikrotik Routers

Oxidized is a wonderful script that can automatically backup your RouterOS(And many other vendors) devices that supports versioning using standard GIT repositories. The format is fairly simple and intuitive to get up and running quickly and can easily be expanded to plug into LibreNMS for a more robust solution. I am not going to go […]

24 May, 2020

Mikrotik Realtime Blacklist

Protecting your network is very important and the best place to do this is on your perimeter device, by blocking bad traffic before it gets into your network is not only safer but your servers are not wasting resources on unnecessary traffic. A good example of this is to block spammers even before a connection […]

24 May, 2020

Windows DC boots to mouse cursor then reboots

We recenlty had a client phone us in a panic there Domain Controller would not boot, instead it was in an endless loop where the system would boot to a black screen with the mouse cursor and the automatically reboot. After investigating the cause of the issue we managed to ascertain that the Active Directory […]

12 April, 2020

Mikrotik IPSec VPN – Part 1 Miktrotik to Mikrotik

IPSec VPN’s are fast and secure VPN’s that do not use traditional routing but rather policies to route data between networks. IPSec VPN’s are also natively supported across most major operating systems and routers IPSec works by establishing a connection between tow endpoints using either certificate exchange or a preshared key (PSK) the initial connection […]

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