- VoIP & Phone Systems
VoIP for Small Business: Getting Started Guide
18 Mar, 2026

£46.50 inc. VAT
AI-generated summary
If you’re looking at a single **Windows Server 2019 CAL** and it’s priced at **£38.75 ex-VAT**, this is the kind of boring-but-necessary purchase that keeps admin headaches down. A CAL is the “permission slip” for users or devices to access Windows Server services, so this isn’t something you buy for features—it’s something you buy to avoid licensing compliance problems. In practical terms, if you’ve already got the right Windows Server rights in place and you’re short on user/device access rights, this is exactly the patch you need.
That said, I’d only buy it if you’re confident the environment actually requires **Server 2019 CALs** and that you’re licensing correctly for the access model you’re using (user-based vs device-based). The most common “why not” here is buying the wrong CAL type or the wrong server generation—cost-effective on paper, painful in audits. If you’re unsure, validate your licensing setup first (what server version you’re running, and whether your org counts users or endpoints), because CAL mismatches are one of those mistakes that never feel obvious until it’s too late.

Lenovo
Red Hat Enterprise Linux Server - Standard subscription (3 years) + Lenovo Support - 1 physical server (2 sockets)/virtual server (2 guest OS) - for ThinkSystem SR250 V2, SR630 V2, SR645, SR650 V2, SR665, ST250 V2, ST50, ST50 V2, ST650 V2

Lenovo
VMware vSphere Standard - (v. 7) - licence + 1 year Lenovo Subscription and Support - 1 processor - for ThinkSystem SR250 V2, SR630 V2, SR645, SR650 V2, SR665, ST250 V2, ST50, ST50 V2, ST650 V2

Lenovo
Microsoft Windows Server 2019 Essentials - Downgrade licence and media - 1 licence - ROK - downgrade from Microsoft Windows Server Essentials 2022 - Multilingual - for ThinkSystem SR250, SR250 V2, SR630 V2, SR645, SR650 V2, SR665, ST250 V2, ST50 V2, ST650 V2

Lenovo
Licence - 1 licence - OEM - ROK - Multilingual - BIOS Locked (Lenovo Enterprise)
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