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Sala de servidores de empresa de noche, con las luces apagadas, la puerta entreabierta a un pasillo iluminado, un taburete vacío junto al rack y un carro de servicio aparcado en el pasillo

5 Sep 2026 8 min read

Proxmox goes 24/7 on 19 October: what those two hours actually buy you

On 2 September 2026 Proxmox announced that its enterprise support goes 24/7 on 19 October, and opened a North American subsidiary. Until now it ran Monday to Friday, 07:00–17:00 CET/CEST, on Austrian business days. What each plan includes, what it really costs per CPU socket, the three asymmetries sitting inside the announcement itself —response is not resolution, local support stays office hours, and the scope is three products rather than your system— and the six questions for reading any 24/7 support contract, your provider's included.

Proxmox Support Virtualization

Armario rack de pared en un cuarto de instalaciones de oficina, con un servidor encendido, polvo en la bandeja, una escalera plegada y un cubo de fregona al lado

4 Sep 2026 7 min read

The Exchange you left running: 21,899 unpatched servers, and yours could be one

On 31 August 2026, Shadowserver scans counted 21,899 IP addresses running an Exchange Server without the CVE-2026-62911 patch released on 11 August. Many of those servers do not belong to companies that never migrated: they are the one left running after the move to Microsoft 365, published on the internet and owned by nobody. What Microsoft's advisory says and does not say next to Germany's BSI, why since April 2022 that server can be switched off, which route Microsoft recommends in 2026 to remove it for good, and the three cases where you should not touch it.

Exchange Microsoft 365 Cybersecurity

Omnissa Horizon certificado en Proxmox VE: dos puestos de oficina vacíos con los monitores apagados y un cliente ligero detrás de la pantalla

4 Sep 2026 6 min read

Proxmox VE is now Horizon Ready, but in manual mode: you create and power off the desktops yourself

On 4 September 2026 Proxmox announced that Proxmox VE has achieved Omnissa Horizon Ready Hypervisor certification. It is real and it removes a requirement, but it lands in "Manual Provisioning Mode": the program page states that provisioning and power policy are not supported. Meanwhile, Horizon has been integrating over the API with another non-vSphere hypervisor since December. Two different regimes, what Horizon stops doing for you, the RAM and GPU arithmetic nobody runs, and which estates this is a way out for today.

Virtualization Proxmox Workplace

Pasillo de un centro de datos con un rack abierto a medio poblar y un carro elevador con un servidor encima

26 Aug 2026 8 min read

When NOT to migrate from VMware to Proxmox

Migrating from VMware to Proxmox is part of what we do, and there are cases where our answer is: not now. Two classic objections no longer hold — the scheduler's dynamic mode arrived with Proxmox VE 9.2 on 21 May, and Veeam 13.1 has shipped replication since 29 July. The one still standing is different: Proxmox's HA documentation describes nothing equivalent to vSphere's <em>admission control</em>, which flatly refuses to power on the machine that would break your N-1. And the <code>crs</code> factory settings decide more than people think: <code>ha=basic</code> balances by counting machines. The five cases where we tell clients to stay.

Proxmox VMware Virtualization

Chasis de servidor de rack abierto sobre un banco de taller, con la tapa retirada y dos disipadores de procesador a la vista entre los bancos de memoria

21 Aug 2026 8 min read

Azure stops including the VMware licence: the core count nobody does

Two weeks ago we wrote that 31 October 2026 is the end of Azure VMware Solution with the licence included. Microsoft has since published its portable licensing reference, and that is where the counting rules are: how many cores each node type has, why the distributed firewall counts every host in the private cloud even the ones you are not paying for, and which date actually governs your calendar, because it is not the August 2027 one.

VMware Licensing Azure

Vías de tren convergiendo en una aguja sobre balasto de grava, con dos anchos distintos corriendo en paralelo bajo cielo gris

19 Aug 2026 8 min read

Proxmox now runs on Arm. Your x86 machines don't.

On 5 August Proxmox shipped its first official arm64 edition. The headline says there is now a second architecture; the release notes say guests only run on nodes matching their architecture and that live migration only works between equals. What was actually announced, for which hardware, why Windows Server is left out, and why none of this changes your VMware exit plan.

Proxmox Virtualisation Arm

Señal de tráfico de sentido único junto a un muro de hormigón: el camino de ida de una migración está resuelto; el de vuelta no tiene asistente

11 Aug 2026 8 min read

VMware to Proxmox: your rollback plan expires on its own

Every migration plan has a line that says "if it goes wrong, we roll back". Almost none says what you roll back to, or until when. Proxmox has shipped an ESXi import wizard since 8.2; the way back is not a button. And the window closes from three directions at once: the contract, the unpatched hypervisor, and the data delta.

Migration VMware Proxmox

Cajones de un fichero de biblioteca con sus portaetiquetas vacíos: el directorio sigue estando en el sitio de siempre y la fuente de autoridad se está moviendo a la nube

9 Aug 2026
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min read

Entra Connect: the date that stops your sync, and the date that just emails you

On 30 September 2026, any Entra Connect synchronisation running below version 2.5.79.0 stops working. This is not the Cloud Sync migration: it is a separate thing, and it is the only one of the two with a fixed date. The migration runs in waves, allows exceptions and has no announced retirement date. What exactly breaks when sync stops (hint: not email — the offboarding that never reaches the cloud), why auto-upgrade fails to save precisely the servers that need it, and the eight rows in Microsoft's own comparison table that decide whether you can move to Cloud Sync yet.

Microsoft Identity Active Directory

El 31 de octubre de 2026 se acaba el modelo de licencia de VMware incluida en los nodos de Azure VMware Solution: a partir del 1 de noviembre hay que aportar una suscripción portable de VMware Cloud Foundation comprada a Broadcom

3 Aug 2026 8 min read

Plan B expires on 31 October: VMware with the licence included is ending in the cloud

On 31 October 2026 the Azure VMware Solution model in which the licence came bundled with the node comes to an end: from 1 November you must bring a VMware Cloud Foundation key bought directly from Broadcom. On Google Cloud VMware Engine it already happened on 1 November 2025. Eighty-nine days to go. For two years, "I will just lift my vSphere into the hyperscaler" has been the favourite plan B for not deciding; it was an extension, and extensions expire. The maths you can finish this week, and when staying put is the right call.

VMware Licensing Cloud

EWS en Exchange Online: la fecha límite real para escribir la lista de aplicaciones permitidas es el 31 de agosto de 2026

1 Aug 2026 8 min read

EWS shuts down in October, but your deadline is 31 August

On 1 October Exchange Online starts disabling EWS, and on 1 April 2027 it disables it for good, with no re-enablement. But one detail turns the calendar on its head: from October, leaving EWSEnabled set to True with an empty allowed-application list starts to mean "block everything", and if you do not write that list before the end of August, in September Microsoft writes it for you based on whatever it saw running. What to look at in the usage report, the exact commands, why that automatic list fails both by omission and by excess, and the gaps Graph still does not cover according to Microsoft's own roadmap.

Exchange Microsoft Migration

El peaje del ESU de Windows 10: el precio se duplica cada año y es acumulativo

31 Jul 2026 8 min read

Windows 10 and the October toll: ESU doubles every year and you cannot skip year one

Microsoft charges $61 per device for the first year of Windows 10 extended security updates, and its own documentation says two things almost nobody puts together: the price doubles every consecutive year and ESUs are cumulative, so enrolling in year three means paying for all three. Delaying enrolment does not reduce the bill if you end up enrolling: it shifts the payment and leaves you without patches while you wait. The full math, the three blind spots that cost real money (the 2027 headline is not about your company, LTSC is not covered, and Office lives on until 2028 but you can no longer log a bug) and when paying for ESU really is the right call.

Windows Licensing Workplace

28 Jul 2026 7 min read

Proxmox joins NVIDIA's ecosystem: a logo will not migrate your infrastructure

Today Proxmox Server Solutions announced it is joining the NVIDIA Mission Control ecosystem: Proxmox VE as the virtualisation and high-availability layer beneath the management services of AI factories, with engineering work for the Grace and Vera CPUs. What the announcement actually says, where Proxmox sits in that picture and where it does not, and why an announcement changes the conversation in a boardroom but changes none of the things that decide your migration.

Proxmox NVIDIA Virtualisation

SharePoint 2016/2019

Unsupported since Jul 14; no ESU

23 Jul 2026 8 min read

SharePoint 2016 and 2019 just ran out of patches, and this time there's no extension you can pay for

On July 14 SharePoint Server 2016 and 2019 fell out of extended support, and Microsoft offers no ESU: there is no paid extension. A year ago ToolShell compromised over 400 organizations attacking on-prem SharePoint that was still receiving patches. The three real ways out, and the fourth one almost nobody offers you.

SharePoint Microsoft Security

VMware + Broadcom

86% reducing, only 4% fully out

22 Jul 2026 8 min read

Two years of Broadcom: the mass VMware exodus that never happened (and what is actually going on)

86% of VMware customers are shrinking their footprint, yet only 4% have completed a full migration. Broadcom, meanwhile, signs Standard Chartered. What the data actually says two years in, and what we would do with a renewal due in 2027.

VMware Broadcom Migration

VMware → Proxmox

Guide 2026

20 Apr 2026 12 min read

VMware + Broadcom in 2026: Survival Guide for CIOs and CTOs

Broadcom has increased VMware costs by up to 1,200%. Real impact analysis, available alternatives, and step-by-step Proxmox VE migration plan for enterprises.

Proxmox VMware Broadcom

500+ VMs

Zero Downtime

18 Apr 2026 15 min read

How We Migrated 500+ VMs from VMware to Proxmox Without Stopping the Business

Real case study: migration of 512 virtual machines across 12 ESXi hosts to Proxmox VE with Ceph. 10 weeks, zero data loss, -72% cost reduction. The complete process step by step.

Proxmox Migration Case Study

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