Tech
Azure customers up in arms over ‘full’ UK South region | Computer Weekly
Microsoft Azure is refusing capacity to cloud customers in the company’s UK South (UKS) region, with issues around the availability of Azure virtual machines (VMs) – especially in AMD-based compute, those aimed at HPC workloads and graphics processing unit (GPU)-equipped services.
That’s according to comments made to Computer Weekly and in message board threads on Reddit, where many blame Microsoft’s drive to roll out datacentre resource-hungry Copilot AI to the detriment of existing customer requirements.
One commenter said: “It’s well known to be terrible and apparently is waiting for more capacity to come online at the end of the year.”
Another said: “Terrible capacity issues in UKS. It seems to be impacting one availability zone more than others, and AMD CPUs [central processing units] are far more scarce. We’ve been executing a migration and have faced a number of hurdles securing quota and capacity. I’m told Microsoft are in the process of moving their own internal services such as M365 out of those datacentres to free up capacity for customers.”
Azure’s UK South region has had capacity issues for some time. Earlier this year, one customer reported being stuck part-way through an Azure Virtual Desktop migration due to not being able to secure capacity.
“With 75% of our staff moved, and around 40 vCPU used, we are being denied all additional capacity requests, even after raising tickets and escalating,” they said. “Because of the nature of the apps that we use, low latency is vital (really, it prefers local LAN). We are also required by many of our clients to host data in the UK only due to the nature of what we do.
“We’d successfully migrated around 75% of the company, and then when trying to increase quota to finish the job, found that we were denied capacity for everything we tried, v5 and v6 [Azure VMs], AMD, Intel. We escalated several tickets, and were told that our request would be backlogged and denied by the region owner due to capacity.”
Another commenter said they could get capacity for the platform as a service offering they work on, but could not be sure about future requests: “The service I work on has capacity in UK South – but what happens if we have to scale out further to make room for more resources?”
UK South is one of two Azure regions in the UK. The other is UK West, based in south Wales.
UK South can offer Availability Zones, which means operations are spread across three datacentres to offer resilience. Many UK South customers run primary operations there and use UK West – which is a single datacentre – as a disaster recovery failover location.
Some disgruntled customers believe Microsoft has prioritised the roll-out of datacentre capacity for Copilot AI to the detriment of existing services. In other words, that roll-out of GPU-equipped servers – which are massively resource-hungry – have put a squeeze on datacentre capacity.
“Reading between the lines, the rush to AI has f****d Microsoft’s bread and butter services,” said one commenter. “So, they’ve effectively shot themselves in their foot pushing out a product no one wants, to the detriment of one people do.
“All resources are thrown into the AI abyss. It’s also created hardware shortages that don’t seem to have an end.
AI sales focus
Owen Sayers, an independent consultant with decades of experience in delivering public sector IT, said: “In UK South, Microsoft offers 10 different types of GPU. In UK West, they have just two, and the A100 there is no spring chicken. Microsoft are focusing heavily on sales of AI, and if customers in the UK are buying GPU, it’s pretty much always going to be in UK South as their anchor tenancy.
“That will increase heat, power and load,” he added. “Nothing restricts datacentre capacity more than a few hundred power-draining GPUs. Also, Microsoft wants to sell GPUs with everything, so perhaps their focus has drifted from traditional cloud towards AI and they aren’t managing capacity well as a result.”
According to data from Barbour ABI and ComputerWeekly, around 121MW of datacentre capacity is due to complete in 2026, in areas that come within Azure’s UK South and West regions. The bulk of that will be at a Virtus development in High Wycombe in Bucks, a Kao development at Harlow in Essex, and for Vantage Data Centres in Newport, South Wales, which would be within UK West and could allow capacity to be reallocated.
Microsoft responded to a summary of complaints with the following: “Azure is delivered through a global network of around 80 regions worldwide, giving customers flexibility in how they deploy and scale workloads. As customer demand for Azure services in the UK remains strong, we continuously monitor and adjust how resources are allocated to ensure reliable support for existing customer workloads and maintain service availability and performance.”
Tech
Capita’s troubled Civil Service Pension Scheme hit by data breach | Computer Weekly
The financial data of just under 140 members of the UK Civil Service Pension Scheme (CSPS) has been exposed following a data breach affecting its online portal, which is overseen by Capita.
According to the outsourcer, the issue led to scheme members being able to view personal annual benefit statements (ABSs) that were not their own. Capita pulled the ABS functionality in order to investigate and remediate the issue, and at the time of writing, it remains offline.
Computer Weekly understands all affected members of the pension scheme were contacted on 3 April – those who have not received any message at this stage were not impacted and do not need to take any further action.
A Capita spokesperson said: “We are aware of an issue that occurred on the CSPS member portal for around 35 minutes on 30 March 2026, affecting the accuracy of a small number of Annual Benefit Statements (ABS) generated in this period.
“This was identified quickly, ABS functionality was immediately suspended, and a full investigation undertaken. We sincerely apologise for this issue and any concerns you may have. We take the protection of members’ personal data extremely seriously,” they said.
A Cabinet Office spokesperson added: “”We are aware of the incident and take the issue extremely seriously.
“While only a very small number of members were affected, we are working with Capita to establish the facts and ensure appropriate measures are taken. We will consider further action as required,” they said.
Dominic Hook, national officer at the Unite union, said: “Once again, Capita has proved itself to be totally unfit to manage the pensions of millions of public sector workers.
“This latest in a litany of extremely serious failures by Capita shows why the government’s manifesto promise to reverse outsourcing is more important than ever. Ministers need to keep that promise by bringing the CSPS back inhouse,” he added.
Pension crisis
Though minor in its scope the breach at the CSPS comes amid serious ongoing issues with Capita’s administration of the scheme, which it took over in December 2025 under a seven-year, £239m contract over which the Public Accounts Committee (PAC) had already raised significant concerns.
During this transition, it emerged that Capita had inherited a “significant volume” of outstanding work, including almost 90,000 work-in-progress cases and 15,000 emails that had never been read.
At the end of March, Richard Holroyd, who leads Capita’s public services unit, told MPs that the firm was making progress on addressing its backlog, saying it has cleared and closed 145,000 open cases since December.
“Whilst challenges remain, we’re seeing progress and expect services to improve in the coming months,” he said, suggesting that normal service levels could be resumed by June.
However, the remedial work needed to get the CSPS back in good order has led to missed payments for pensioners, among other problems. Computer Weekly recently reported the story of a former civil servant of 40-years standing – with no other source of income – who had not received any payments for four months.
Tech
Hyperscaler datacentres set to dominate by 2031 | Computer Weekly
Immense concentration continues apace in the cloud industry, with hyperscalers expected to comprise 67% of global datacentre capacity by 2031, or 14 times the capacity they had in 2018. Back then, enterprise datacentres accounted for 56% of all datacentre capacity.
That’s according to figures from US-headquartered research organisation Synergy Research Group, which says artificial intelligence (AI) is driving huge and accelerated growth, with hyperscaler capacity expected to double in the next three years.
By the fourth quarter of 2025, Synergy found that hyperscaler-operated datacentres accounted for 1,360 of total sites and 48% of worldwide capacity. Datacentres built by hyperscalers form the bulk of that capacity – 60% of it – with the remaining capacity leased.
Non-hyperscale colocation capacity accounts for 20% of current totals, while enterprise datacentres account for 32%.
Synergy expects hyperscaler datacentre capacity to comprise 67% of all capacity in 2031. The share of colocation is expected to drop, although it is still increasing at double-digit rates.
Enterprises’ on-premise datacentre capacity is expected to drop to 19% of the total by 2031, at a rate of about 2% per year, although even here that decline is not so rapid, largely due to the deployment of AI hardware.
Synergy’s data is based on several quarterly tracking research services in hyperscale, colocation and enterprise datacentres, and based on datacentre footprint and operations of the world’s major cloud colocation firms, plus tracking the datacentre hardware market.
John Dinsdale, a chief analyst at Synergy Research Group, said AI is driving the world’s datacentre market towards increased concentration in favour of the hyperscalers.
“Cloud and consumer-oriented digital services have been driving changes in datacentre deployment patterns for many years now, but over the last three years, AI technology has accelerated those changes,” he said.
“We are seeing a different mix of datacentre usage across the regions, but overall, the world is racing towards a situation where hyperscale operators are responsible for the bulk of global datacentre capacity. There are almost 800 hyperscale datacentres in our known future pipeline, enabling hyperscale capacity to double in just three years,” Dinsdale added.
By the third quarter of 2025, worldwide spend on cloud services had reached $107bn, up from $68bn two years before that, in 2023.
Among the big three, Amazon’s market share has been in a state of gradual decline since 2022. In the third quarter of 2025, it had a 29% market share, down from just under 34% in the third quarter of 2022.
Meanwhile, the third-quarter 2025 market share for Microsoft was 20%, and 13% for Google Cloud. Both of these are seeing increases in market share, with Microsoft up from 13% in the fourth quarter of 2020.
Meanwhile, so-called neocloud providers – those that specialise in AI datacentre capacity – have a market share of 2.5%.
Dinsdale said: “Beyond the three market giants, a wide mix of smaller players is competing for traction, but the reality is that third-placed Google remains nearly four times the size of fourth-placed Alibaba, underscoring the widening gulf between the market leaders and the rest of the field.”
Tech
XCOM RAN intros end-to-end private 5G for physical AI | Computer Weekly
Looking to boost the adoption of physical artificial intelligence (AI) across several key applications areas for industrial automation, which the company believes will become the new norm, XCOM RAN by Globalstar has announced the launch of an end-to-end private 5G solution.
The company believes that its mission is to provide the next generation of private 5G infrastructure, which is designed to support “tomorrow’s mission-critical industrial automation requirements”. XCOM RAN claims that it is delivering “unprecedented” performance by taking a new approach to private 5G, increasing capacity by more than four times over current private 5G offerings for “flawless” connectivity in the densest automation environments.
XCOM RAN runs on private 5G shared spectrum allocated around the world, and it can use Globalstar’s licensed Band n53 as a dedicated band for “worry-free” private 5G deployments. Its Supercell architecture is designed to reduce the need for site surveys and RF network design, leading to a private 5G solution that “deploys quickly, is easy to manage, and provides full capacity and coverage” in industrial environments.
The company predicted that the amount and types of physical AI optimisations that can be applied will increase exponentially. It noted that its customers are asking for an underlying wireless network architecture that is comprehensive, can adapt and grow with their automation strategies, and can address the needs of customers and for partners.
The launch introduces an orchestration layer for managing private 5G environments, which the company said speaks to the operational complexity enterprises are running into as deployments scale in the AI era.
The company’s offerings include XCOM RAN’s Supercell architecture, based on O-RAN standards, with XCOM Radio Series with indoor and outdoor options; XCOM Core, which is now offered in addition to private 5G cores from partners; and the XCOM Orchestrator, a multi-tenant management and orchestration system designed to streamline operations and minimise the learning curve for enterprise teams new to private 5G.
XCOM RAN is designed to offer spectrum flexibility with support for Band n48 shared spectrum in the US and Band n78 allocated for private 5G and industrial use in Europe and parts of Asia, while it uses Globalstar Band n53 for licensed, dedicated use. The solution includes the XCOM Industrial Router, an Industry 4.0 CPE device that supports all three spectrum bands, enabling customers to integrate XCOM RAN private 5G into their AI-driven industrial automation environments.
XCOM RAN also works with a set of industry partners to offer a private 5G solution and services that are described as “thoroughly tested, integrated and ready for deployment”. The expanding network of partners is said to be intended to ensure customers benefit from “proven technology, seamless integration” and an end-to-end solution built to scale with their business.
A number of these partners have declared support for the new tech, such as ruggedised industrial solutions provider Zebra Technologies.
“We are at the forefront of adding new technology and spectrum options to our devices to support our customers as they rapidly move toward AI-driven intelligent operations,” said James Poulton, senior vice-president and general manager of enterprise mobile computing at Zebra Technologies.
“We have recently added support for Globalstar Band n53 to our ET 401 Enterprise tablets, giving our customers the opportunity to securely run their most sensitive applications over private, dedicated spectrum on these devices.”
Michiel Lotter, CEO of smart signal booster manufacturer Nextivity, added: “One of the latest trends in enterprise wireless deployments is combining modern DAS systems with private 5G to deliver pervasive indoor and outdoor capacity and coverage.
“These solutions are on the cutting edge of development, and we’re grateful to have a partner like the XCOM RAN team who is working with us to address our customers’ requirements.”
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