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Disaster Recovery & Business Continuity in Milton Keynes

Aztech is a Microsoft Solutions Partner based in Milton Keynes, helping organisations design, test and run disaster recovery they can actually rely on. From Azure Site Recovery and immutable backup to ransomware response planning and Microsoft 365 protection, we make sure your business can keep trading when something goes wrong.

Get in Touch Call 03300 949420
  • Microsoft Solutions Partner
  • ISO 27001 Certified
  • Cyber Essentials + Certified
  • Established 2006
4.9 Stars
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Disaster Recovery Built for How Modern Businesses Actually Work

Disaster recovery has changed. The threat is no longer just a failed server or a fire in the comms room - it is ransomware encrypting your files at 3am, a cloud region going dark, or a mistaken deletion in Microsoft 365 that nobody notices for six weeks. Aztech provides a complete disaster recovery service that covers your Azure and on-premises workloads, your Microsoft 365 data and your recovery plan itself - so when something goes wrong, you have tested runbooks, clean backups and a team ready to execute.

  • Azure Site Recovery and cloud DR

    Replication and failover for VMs running in Azure, VMware, Hyper-V or on physical servers. We design the recovery topology, set realistic RTO and RPO targets, configure ASR and prove the failover works with scheduled test drills - so you are not finding out on the day of the incident.

  • Microsoft 365 backup - Exchange, SharePoint, OneDrive, Teams

    Microsoft's shared responsibility model protects the platform, not your data. We deploy third-party immutable backup for Exchange, SharePoint, OneDrive and Teams so you can recover from accidental deletion, retention policy gaps, ransomware and rogue admin actions - well beyond Microsoft's native retention windows.

  • Ransomware recovery and immutable backup

    Air-gapped, immutable backup copies that ransomware cannot encrypt or delete. We pair that with an isolated recovery environment so you can rebuild clean systems while incident response is still working through the live environment - the difference between a bad week and a closed business.

  • DR plan, runbooks and tested failover drills

    Untested DR is no DR. We document who does what, in what order, with which credentials and which systems first. Then we run tabletop exercises and live failover tests on a schedule so your plan is current the day you need it - not the day you wrote it.

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Why teams choose Aztech for disaster recovery

Aztech has been delivering managed IT, cyber security and cloud services to UK businesses since 2006. We design disaster recovery around your real recovery objectives, not a generic template - covering Azure, on-premises systems and Microsoft 365 under one accountable team. ISO 27001 certified, Cyber Essentials Plus, and the same engineers who plan the recovery are the ones who run the drills.

  • Single partner covering Azure Site Recovery, Microsoft 365 backup, on-premises systems and the DR plan itself.

  • Immutable, air-gapped backups built for ransomware - tested against current attacker tradecraft.

  • Scheduled failover drills and tabletop exercises so your recovery plan is proven, not theoretical.

What does a managed disaster recovery service actually cover?

It covers the design of your recovery strategy (RTO and RPO targets, what gets recovered first, where and how), the technology that delivers it (Azure Site Recovery, immutable backup, Microsoft 365 backup, isolated recovery environments), the documented runbooks your team or ours will execute, and the scheduled testing that proves it works. Aztech delivers all of this as one managed service so you have a single team accountable from plan to recovery.

Do we still need backup if everything is in Microsoft 365?

Yes. Microsoft operates a shared responsibility model: they keep the service running, you are responsible for your data. Native retention in Exchange, SharePoint, OneDrive and Teams is limited and was never designed as a backup. A dedicated Microsoft 365 backup gives you long-term, immutable copies of mailboxes, sites, OneDrive accounts and Teams chats that you can restore granularly - protecting against accidental deletion, retention gaps, ransomware and malicious insiders.

Can you fix our existing DR plan rather than start from scratch?

Yes, and that is usually the right approach. We run a disaster recovery readiness review covering your current backups, replication, runbooks, RTO and RPO targets and the last time anything was tested. From there we produce a remediation plan - improving what already works, replacing what does not, and getting you to a tested, documented position you can stand behind in a board meeting or an ISO 27001 audit.

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DR Plan & Build vs. Ongoing DR Management

DR Plan & Build Ongoing DR Management
Best for Businesses without a tested DR plan, or those moving workloads into Azure and needing recovery designed in from day one Organisations with a DR setup that needs to be run, monitored and tested on an ongoing schedule
Focus Risk and impact assessment, RTO and RPO targets, recovery architecture, runbooks, initial failover test Backup and replication monitoring, restore testing, scheduled failover drills, plan updates, incident execution
Engagement style Fixed-scope project with clear milestones and a documented, tested DR plan as the deliverable Ongoing monthly partnership with proactive monitoring, quarterly reviews and annual full-failover testing
Technology Azure Site Recovery, immutable backup, Microsoft 365 backup, isolated recovery environments - designed to fit your stack Continuous management of the above, with capacity, cost and threat reviews as the environment changes
Compliance Alignment with Cyber Essentials, ISO 27001 (A.5.29 / A.5.30) and ISO 22301 business continuity requirements Evidence packs for auditors, with test results, runbook versions and recovery metrics tracked over time
Outcome A DR plan you have actually rehearsed, not just written - approved by your leadership team and your insurer Confidence that backups are clean, drills are passing and your recovery time is shrinking, not drifting
Pricing Scoped project fee quoted upfront - no hidden costs Fixed monthly fee based on protected workloads and Microsoft 365 user count

What Our Client Say

"Aztech feel like part of our team, not just a supplier. They're always thinking ahead, recommending changes before we even realise we need them. The quarterly reviews have completely changed how we plan our IT spending."

Majid AL-Kader
Majid AL-Kader

CEO mXreality

"We stopped worrying about IT the month Aztech took over. Everything just works now, updates happen in the background, issues get caught before we even notice, and if something does come up, their team is on it straight away. It's like having an in-house IT department without the overhead."

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Jack Salsbury

IT Manager, Autotech Recruit

"What stands out is how fast they move. We had a server issue at 7am on a Monday, and Aztech had it resolved before most of the team had logged in. That's not a one-off either, that's just how they operate."

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Liam Hennigan

Director, Hennigan Civil Engineering

FAQs

What is disaster recovery and how is it different from a backup?
Backup is a copy of your data. Disaster recovery is the plan, technology and process that gets your business back up and running after an incident - which usually involves backups, but also covers replication, failover, communications, decision-making and recovery testing. A modern DR programme defines how quickly you need to recover (RTO), how much data you can afford to lose (RPO), and proves it with regular drills.
What are realistic RTO and RPO targets for an SMB in 2026?
For most business-critical systems, an RTO of 1 to 4 hours and an RPO of 15 minutes to 1 hour is achievable with Azure Site Recovery or equivalent replication. Less critical systems can run with an RTO of 24 hours and an RPO of 24 hours from daily backups. The right targets depend on the cost of downtime to your business - we work through that with you during the DR plan stage rather than guessing.
Why do we need a third-party backup for Microsoft 365?
Microsoft operates a shared responsibility model - they protect the service, you protect your data. Native retention in Exchange, SharePoint, OneDrive and Teams is limited (typically 30 to 93 days, sometimes longer with retention policies) and is not a backup. A third-party Microsoft 365 backup gives you long-term, immutable copies you can restore granularly - essential for ransomware recovery, accidental deletion and compliance with GDPR data integrity requirements.
How does immutable backup protect us from ransomware?
Immutable backups cannot be modified or deleted for a defined retention period, even by an administrator with full credentials. Combined with an air-gapped copy - logically or physically separated from your production network - this means attackers who compromise your environment cannot also delete the only thing that lets you recover. It is now the baseline expectation for cyber insurance, NCSC guidance and ISO 27001 Annex A.5.29 / A.5.30.
How often should we test our disaster recovery plan?
At minimum, a tabletop exercise every six months and a live failover test once a year. Higher-risk environments - financial services, regulated industries, ecommerce - benefit from quarterly drills. The NCSC and ISO 22301 both treat untested plans as incomplete, and most cyber insurers now ask for evidence of testing. Aztech runs the drills as part of our ongoing DR service and provides the evidence pack afterwards.
Do you provide disaster recovery services in Milton Keynes and the surrounding area?
Yes. Aztech is headquartered in Milton Keynes and provides disaster recovery planning, Azure Site Recovery implementation, Microsoft 365 backup, ransomware recovery and managed DR services across the local business community and the wider UK. Most work is delivered remotely from our Microsoft-certified team, with on-site visits when an engagement needs them.

Our Accreditations & Certifications

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Security

Certified to design and operate Zero Trust with Microsoft Entra ID, Intune, Defender and Purview
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Modern Work

Proven delivery of Microsoft 365 migration, Teams and SharePoint with adoption programmes for secure hybrid work

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Tier 1 Cloud Provider

Direct with Microsoft for provisioning, billing and priority support - flexible monthly licencing and rapid escalations.
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ISO 27001

Information Security Management System certificate ensuring the highest standards of data protection.

Ready to Talk Disaster Recovery?

Get a straight answer on your DR readiness from a team that has been doing this since 2006.

Whether you are writing your first disaster recovery plan, moving workloads into Azure, or worried about how your business would actually recover from ransomware, we're happy to help.

What to expect from a conversation with Aztech:

An honest review of your current backup, replication and recovery setup - what is working, what is not, and what to fix first.

Clear, practical recommendations on RTO and RPO targets, immutable backup, Microsoft 365 protection and DR testing.

A straightforward proposal with transparent pricing - no jargon, no pressure, no lock-in contracts.

Get in Touch or call us on 03300 949420 to start the conversation. Related services: Cyber Security, Backup & Disaster Recovery, IT Support in Milton Keynes.

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