Chris_

A USB knob, I mean a Griffin PowerMate.

I'd say Mikrotik are a decent brand. Good performance kit with lots of features for not a great amount of money. I'm surprised I've not seen more of them in schools. The Mikrotik option or the Ubiquiti ES-16-XG are so cheap they're almost disposable, use them for 3 years then get rid when you get your new building.

Aruba JL075A 16x SFP+ ports. But looking at the prices, you could get 10x Mikrotik CRS317-1G-16S+RM switches and still have money left over.

A consumer TV will be nowhere near bright enough, usually less than 350 cd/m². I've installed some of these outside and they hold up fine even with direct sunlight. They're 2500 cd/m²! Outdoor Digital Advertising Displays (22"-65")

+1 for PRM. Free collection for 30+ items (apart from £10 charge per IWB). Waste transfer notice straight away and data destruction certificate with serials of all HDDs in the weeks after.

Not a new member but back in education after a break. Thought I should say hi again as I'll no doubt be frequenting these forums more in search of help and support!

Is there a keyboard shortcut for high contract mode? We've had a few users set their Windows 10 profile to black and white with the shortcut 'Ctrl + Win + C', which I guess could be when they're trying to use 'Ctrl + C'.

I can't answer about the SmartStart question. I made a bootable Server 2019 USB stick and it installed fine on a DL380e. iLO 4 works fine too.

When we needed an extra UPS we went refurb, 12 month warranty and new cells at a decent price: https://secure.ups-trader.co.uk/rack-ups/201-sua3000rmxli3u.html

Which UniFi APs are they?

The ports are pretty recessed. https://www.ebay.co.uk/itm/Dell-Poweredge-1850-EMU-1U-Intel-Xeon-Processor-3GHz-2x-146GB-HDD-2GB-DDR2-Ram/351970410599?hash=item51f3124067:g:HuMAAOSw4DJYj3bD:rk:38:pf:0

Looks like a Dell K9703 for extending the network ports on a Dell PowerEdge 1850.

Based on the information from Microsoft here https://docs.microsoft.com/en-us/windows-server/get-started-19/install-upgrade-migrate-19 I've upgraded a couple of 2008 R2 servers to 2019 by upgrading to 2012, then 2016, finally 2019. However, I came across some more Microsoft documentation saying that you can go from 2008 R2 straight to 2012 R2, which would mean one less step as you can go from 2012 R2 to 2019. Fortunately I'm dealing with VMs so I can take snapshots should something go wrong but I haven't needed to revert.

Not Openreach, but we had a VM leased line installed. Installation was over 30k as there was no VM in the area and around 350m of roads had to be dug up. These quotes for an install at £2k sound very reasonable.

I was going to suggest this AP, along with the UniFi UMA-D antenna for longer range. https://www.ui.com/unifi/unifi-mesh-antenna/