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Seamless Migration of NordiskRegnskab to a Distributed Cloud Infrastructure
Case study · Cloud migration
From one server to a distributed cloud
NordiskRegnskab is an accounting firm. All of its accounting operations and client data ran on a single on-premise server, and as the client base grew, that server could no longer keep up.
We moved everything to Microsoft Azure in three controlled phases. The final switch happened outside office hours, with less than two hours of downtime and no disruption to the firm’s daily work.
- Client
- NordiskRegnskab
- Industry
- Accounting
- Service
- Database and cloud migration
- Platform
- Microsoft Azure
The starting point
One server ran everything
A single Windows Server 2016 machine held the accounting operations and all client data. Every new client added to the load.
Illustration of the old setup: one machine, no redundancy.
Slow at the busiest moments
Performance bottlenecks during high-load reporting cycles slowed service delivery.
No redundancy
Any hardware issue could bring the whole firm to a halt.
Growing GDPR pressure
Data-handling standards kept evolving, and the setup had to keep up.
The migration
What moved where
Three kinds of data, three ways to move them safely. Microsoft Azure was chosen for its GDPR compliance, EU data residency and seamless integration with Microsoft tools.
Implementation
Three phases, no surprises
A controlled approach for stability and transparency: low-risk data first, live data last.
Archived and non-critical data
- Moved first
- Performance and reliability tested
Active database and current year
- Live database migrated
- Current-year data migrated
- Continuous monitoring throughout
Final cutover
- Switch to the new system
- DNS switch
- Live system validation
- Full data integrity confirmed
Rehearsed in a mirrored environment
The entire process was validated in a mirrored copy of the environment before launch.
Switched outside office hours
The final migration ran outside office hours. Accounting operations and client access continued without interruption.
Less than 2 hours of downtime. Zero operational disruption.
Impact
What the firm gained
Business continuity
Zero disruption: accounting operations and client access continued without interruption.
Scalability
Resources scale instantly in peak seasons, so performance stays high under heavy load.
Security and compliance
End-to-end encryption and Azure’s GDPR alignment protect sensitive financial data.
Cost optimization
Expensive on-premise hardware replaced by a pay-as-you-go cloud model, with lower maintenance costs and predictable spending.
Your project
Planning a move to the cloud?
Tell us what runs on your servers today. We plan the migration in phases, so your team keeps working.
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