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IT Support29 May 20266 min read

How to Replace an On-Premises Server: A Guide for UK SMEs

Joe Welch
Joe Welch
Senior Technical Engineer · Black Sheep Support
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Replacing your last on-premises server isn't just a technical update; it's a strategic shift that can transform your business operations. If you're running an SME in the UK, chances are your server is doing more than you realise. Let's break down how to make this transition smooth and effective.

What Replacing an On-Premises Server Actually Means

Replacing an on-premises server involves shifting its functions to the cloud or other modern solutions. This could mean migrating files to cloud storage like SharePoint, moving identity management to Entra ID (Microsoft's cloud-based identity service), or relocating applications. The aim is to reduce physical infrastructure while increasing flexibility and scalability.

Why This Move Matters for Your Business

Migrating away from on-premises servers can significantly cut costs associated with hardware maintenance and energy consumption. It enhances business continuity, as cloud services typically offer better uptime and disaster recovery options than local servers. Moreover, this transition can improve security, aligning with Cyber Essentials and GDPR compliance, which are critical for protecting sensitive data and avoiding penalties.

Step-by-Step Walkthrough of Replacing Your Server

1. Inventory Your Current Server Roles

Start by understanding what your existing server does. Is it storing files, managing user identities, or running specific applications? This inventory will guide where each function should move.

2. Move File Server to SharePoint or OneDrive

For file storage, SharePoint and OneDrive are your go-tos. SharePoint is ideal for collaborative environments, while OneDrive suits personal storage. Set up user permissions and migrate files, ensuring data integrity during the transfer.

3. Transition Identity Management to Entra ID

If your server handles user identities, consider moving this to Entra ID. This service offers enhanced security features like multi-factor authentication (MFA) and conditional access, crucial for protecting company data.

4. Migrate Line-of-Business Applications

Applications might require more attention. Assess whether they can be replaced with cloud versions or need a virtual machine setup. For niche software, consult with the provider for cloud migration options.

5. Decommission the On-Premises Server

Once all roles are moved, it's time for server decommissioning. This involves wiping data securely and safely disposing of the hardware. Document the process for compliance and future reference.

A pattern we see repeatedly is firms underestimating the time required for data migration. Proper planning is essential to avoid operational disruptions.

Before and After: The Transformation

Before: A 25-person firm relies on a server for file storage and email hosting. The server occasionally fails, causing downtime and maintenance costs to spike.

After: The same firm now uses SharePoint for files and Exchange Online for email. Downtime is a thing of the past, and IT staff are free to focus on strategic tasks rather than firefighting server issues.

Common Mistakes We See

  • Overlooking Bandwidth Needs: Cloud solutions require robust internet; underestimating bandwidth can lead to performance issues.
  • Ignoring Security Configurations: Failing to configure cloud security settings like MFA leaves vulnerabilities.
  • Skipping Training: Staff need guidance on new tools to ensure smooth adoption.

FAQ: What Businesses Need to Know

How long does the transition take?
It varies by firm size and complexity but typically ranges from a few weeks to a couple of months.

Can we migrate everything ourselves?
It's possible, but professional assistance ensures a seamless transition, reducing risks of data loss or downtime.

What about cost savings?
While upfront costs exist, long-term savings from reduced hardware and maintenance can be significant.

Preparing Your Business for the Cloud Shift

Before embarking on a server replacement, a thorough internal review is essential to ensure a smooth transition. Start by scrutinising your internet connection. Cloud services are entirely dependent on reliable, fast broadband. Assess your current speeds and consider resilience options, such as a secondary connection or failover system, to prevent operational halts during peak usage or outages. Next, gain a precise understanding of your data. Beyond just overall volume, identify any particularly large files, complex database structures, or specific regulatory requirements for data handling and retention. This detailed insight will significantly influence the migration approach and timeline. Also, look closely at your line-of-business applications. Some may have specific cloud-native versions, while others might require particular virtual environments or integration considerations. Engage with software vendors early to understand their recommendations and any potential compatibility issues with a cloud-first setup. Finally, consider your team's readiness. A successful transition relies heavily on user adoption. Plan internal communications and training sessions to familiarise staff with new tools and processes, managing expectations about changes to their daily workflows and access methods.

Choosing Your Migration Partner

Selecting the right IT partner is crucial for a smooth and secure server migration. Begin by verifying their practical experience with projects similar to yours. Ask about their track record with businesses of your size and within your industry, specifically regarding cloud migrations from on-premises servers. It is important they demonstrate an understanding of the nuances of your particular line-of-business applications and any unique software requirements you have, including how these will function in a cloud environment. Inquire about their data security protocols during the entire migration process. How do they ensure your information remains protected, compliant, and accessible throughout the transfer? A reliable partner will clearly outline their project management methodology, detailing how they plan, execute, and communicate progress. Understand their approach to minimising disruption to your daily operations, including any proposed phased rollouts or out-of-hours work. Finally, clarify the scope of their post-migration support. Will they assist with initial user queries, system optimisation, and ongoing maintenance in the new cloud environment, ensuring long-term stability? A clear understanding of these practical points will help you make an informed decision.

How Black Sheep Support Helps

If you're considering replacing an on-premises server

Book a discovery call

and we'll map out the most efficient path to cloud migration for your business. Not ready to talk yet? Run our free IT Health Check to assess your business risk and security posture: 30 to 60 minutes with one of our engineers, or 15 to 20 minutes on your own, no commitment. We also handle hardware, broadband, mobile and networking, not just security.

Want this handled for you? See Managed IT support.

Based in Brighton or Hove? We are too: see IT support in Brighton.

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