Category Archives: Uncategorized

Kerberos account ucmadscient\derpy is not assigned to any site.

I came across an interesting one recently whilst setting up Kerberos for a Skype for Business 2019 build. As part of the standard build, I created a Kerberos account in the customer’s OU and assigned it to a site without error. But I did notice a tiny little warning that “Site 2” wasn’t in the… Read More »

Stop Blaming Teams and Skype for your network – Your traffic graphs are LYING!

Stop me if you have heard this from your users before; “Skype is crap” “It just dropped out” “It sounded like it was breaking up” Heard it before? Good. That proves your listening. Because even in a perfect environment these issues are going to appear. Mainly because you’re going to peer with customers or mobile… Read More »

Object reference not set to an instance of an object. When importing RGS config

Update: Looks like Microsoft has noted this issue in KB4458679 You can install the January 2019 CU to resolve the issue. So I recently ran into the error message “Object reference not set to an instance of an object” When attempting to import an RGS config for pool failover. Well, that’s not a very helpful message.… Read More »

Surface Hub 2 Notes

Ali started off the Surface Hub 2 demo with the trailer “Turn any space into a work space” 4K Cameras. New Pens Meeting join is incredibly quick. 4K+ Screen resolution Roll is a little jittery on this beta hardware. I’d expect that to improve Appears to run the new Windows 10 Whiteboard allowing persistent whiteboards… Read More »

Teams Voice Connectivity for Tenants without PSTN Calling

Update 24/02/2018: Thanks to Paul Lange “Short update on Bring your own Sip Trunk in #MicrosoftTeams from #techsummitfrankfurt – currently in TAP. GA around July according to MS depending on testing. #BRK2080” Expect the sessions to pop up here soon Update 16/12/2017: AudioCodes confirms any of their SBC’s will work with Microsoft Teams. No need… Read More »

Powershell One-Liner to Search DHCP for a IP address of a MAC Address

So, I recently had a need to quickly and easily search a considerably large amount of DHCP Pools for some Polycom Trio devices. and James Cussens VVX manager returned too many results to find what I was looking for (well, until I hacked it to support Trio’s) Bascially, feed it a MAC and it will… Read More »

Lync 2013 / Skype for Business Edge SSL negotiation wasn’t sucsessful

I’m going out on a limb here… You’re reading this blog post because like me your building your nice greenfield Lync 2013 or Skype4B implementation As part of the install you have spun up an edge server, checked all the port requirements and had the firewall team implement your changes, got your SSL certificates ready… Read More »

The Phone handset from hell.

Hi guys, I figured I’d post this here somewhere public thats visited by tech enthusiasts to highlight some of the failings in both carrier customer service and Nokia’s declining service over the years. Here’s hoping it doesn’t prevent me from getting an MVP status or similar later in life as the Windows Phone OS worked… Read More »