Exchange 2019: How Many CALs/SALs Do You Need?
KB ID 0001703 Problem At his point I’m going to assume you know that there are Standard Exchange CALs/SALs, and Enterprise Exchange CALs/SALs. And you know the difference! If you’re unsure see my comments here. With older versions of Exchange 2010/2007 etc. You could get this information from the GUI. Now you need to use some PowerShell. Solution The two commands you want to use are; Find Out How Many Exchange Standard...
Windows Server 2019 (&2016): Enable Flash
KB ID 0001484 Problem Back in server 2012 this was an easy fix; Windows Server 2012 – Enable Flash However try and do that on Server 2019 or 2016 and this happens; Windows PowerShell Copyright (C) 2016 Microsoft Corporation. All rights reserved. PS C:\Users\administrator.PNL> Install-WindowsFeature Desktop-Experience Install-WindowsFeature : ArgumentNotValid: The role, role service, or feature name is not valid:...
Safari: Not Showing all Bookmarked Favourites
KB ID 0001702 Problem Recently my Safari browser on my MacBook updated, somehow this managed to break Microsoft Edge, a reboot fixed that. The problem was, it was now only showing a ‘reduced’ number of bookmarks from my favourites, (only 24 bookmarks) i.e. Even if I clicked in the navigation bar, (only 12 bookmarks) from my favourites; Solution A Google search didn’t turn up the answer, clicking on the setting logo...
Hard Drive Full?
KB ID 0000012 Problem The fact that I’m going back to re-write article 0000012, should tell you this is an omnipresent problem! Either very suddenly, or slowly over time you have a drive or a volume that’s full to bursting point. These days with laptops which have smaller SSD drives it’s a common problem. I’ve seen literally hundreds of post in forums, most of them are answered with ‘Use...
Exchange – Move ‘ALL’ Mailboxes From One Database to Another
KB ID 0000864 Problem While replacing an Exchange Server on my test network last week, I needed to get all the mailboxes moved across to the new one. Exchange gets upset if you try and delete a mailbox database that has data in it. Solution 1. Launch the Exchange Management Shell > Firstly lets get the names of my Databases, then I can simply copy and paste them into the move mailbox command. Get-MailboxDatabase Get-Mailbox...
AnyConnect: ‘Quick and Dirty’ Duo 2FA
KB ID 0001701 Problem Normally if I were deploying Duo 2FA with AnyConnect I’d deploy a Cisco RADIUS VPN on my LAN, (usually on my Duo Authentication Proxy). See the following article; AnyConnect: Enable Duo 2Factor Authentication However, last time I set this up, a colleague said ‘Oh by the way, you don’t need to do that, you can just point the firewall directly at Duo’. I was initially skeptical but I tried...
F5: Static Load Balancing (Ratios)
KB ID 0001700 Problem In the previous post, we deployed a web load balanced solution with three web servers. Out of the box the BIG-IP solution will use Round Robin load balancing and it will treat all Nodes or Pool Members the same, (it assigns a RATIO OF 1). Everything gets weighted the same, and the F5 will send requests to the Nodes or Pool members one at a time. But what if one of those web servers was a beast of a machine, with...
AnyConnect: Unauthorized Connection Mechanism
KB ID 0001699 Problem I was assisting a colleague to setup some AnyConnect for a client this afternoon, when all of a sudden I was met with this; VPN Logon denied, unauthorised connection mechanism, contact your administrator Solution This was a confusing one, I replicated the problem on my own test firewall. All I had done was change the AAA method from LOCAL to LDAP? It took me a while to figure out what was going on? The reason why...
F5: Setup Basic Web Load Balancing
KB ID 0001698 Problem In past articles I’ve got my F5 BIG IP appliance up and running, and I’ve built some web servers to test load balancing. Now to actually connect things together and start testing things. Below is my lab setup, I will be deploying simple web load balancing (Static: Round Robin) between three web servers, each serving a simple HTTP web site. Test F5 to Web Server Connectivity For obvious reasons the F5...
EVE-NG Deploying F5 BIG-IP
KB ID 0001696 Problem I already had some F5 Images in my EVE-NG, but I wanted to run version 16.x. However, I didn’t think that was officially supported, so I thought I would try and get it running anyway! Solution Theres no need to scour the internet for ‘dodgy’ versions, F5 will quite happily give you the latest version, just sign up for a free account, and you can download the image. While you are there, you can...