Creating an IT disaster recovery plan is not just about writing a document. It is about understanding your critical systems, setting realistic recovery targets, testing your backups, assigning responsibilities, and making sure your team knows exactly what to do during a serious IT incident.
This guide explains how to build and test a disaster recovery plan step by step, including business impact analysis, RTOs, RPOs, backup testing, recovery procedures, and common mistakes to avoid
The Short Answer
To create an IT disaster recovery plan, start by identifying your critical systems, then run a business impact analysis, set RTO and RPO targets, review your backups, document recovery steps, assign responsibilities, and test the plan regularly.
Testing an IT Disaster Recovery Plan
Testing should be regular and documented.
Tabletop Exercises
A tabletop exercise is a discussion-based test. The team walks through a scenario and checks whether everyone understands their role.
Partial Restore Tests
A partial restore test checks whether specific files, folders or systems can be recovered from backup.
Full Recovery Tests
A full recovery test is more realistic and may involve restoring entire systems or failing over to alternative infrastructure.
Not every business needs a full failover test every month, but every business should test recovery procedures regularly.
How Often Should a Disaster Recovery Plan Be Tested?
As a practical starting point:
- Review contact details quarterly.
- Run tabletop exercises at least once or twice a year.
- Test file or system restores regularly.
- Review the full DRP annually.
- Retest after major IT changes.
Major changes may include new servers, cloud migration, new backup platforms, office moves, major software changes or a change in IT provider.
Common Disaster Recovery Mistakes
Many businesses have backups but still struggle to recover. Common mistakes include:
- no written recovery plan
- unclear ownership
- outdated contact details
- untested backups
- unrealistic recovery targets
- missing Microsoft 365 backup
- no ransomware recovery plan
- no communication plan
- plans not reviewed after IT changes
If your business has not reviewed disaster recovery recently, an IT health check can help identify the gaps.
Example Disaster Recovery Scenarios
Ransomware Attack
A ransomware incident may require isolating affected devices, stopping the spread, identifying clean backups, rebuilding systems and restoring data.
This scenario should be linked to your wider cyber security response and Cyber Essentials controls.
Accidental Data Deletion
If a user deletes important files, the recovery process should identify the affected data, locate the most recent clean backup and restore it safely.
Cloud Outage
If a cloud provider or online platform becomes unavailable, the business needs a communication plan and agreed workarounds while services are restored.
Server Failure
If a server fails, the DRP should explain how to restore applications, data and access in priority order.
Quick DRP Checklist for Leaders
Use this checklist to assess whether your business is prepared:
- Do we know our critical systems?
- Have we set RTO and RPO targets?
- Are backups tested regularly?
- Do we have offline or protected backup copies?
- Do staff know who activates the DRP?
- Do we have vendor contact details documented?
- Do we know how to recover Microsoft 365 data?
- Has the plan been tested in the last 12 months?
- Is the plan reviewed after major IT changes?
Conclusion and Next Steps
An IT disaster recovery plan turns a serious incident into a structured recovery process. Instead of guessing under pressure, your team has clear steps, defined roles and tested procedures.
The strongest plans start with a business impact analysis, set realistic RTO and RPO targets, protect data with reliable backups and test recovery regularly.
Start by identifying your critical systems, reviewing your backups and documenting who is responsible for recovery.
Build a Disaster Recovery Plan With ESP Projects
ESP Projects can help you build, test and maintain an IT disaster recovery plan that protects your data and supports business continuity.
We can review your current backup arrangements, identify recovery gaps, define realistic recovery targets and help ensure your business can recover from ransomware, hardware failure, cloud outages or data loss.
Whether you need cloud backup support, wider IT services, or a full disaster recovery review, our team can help.
Book a consultation with ESP Projects to review your disaster recovery plan and strengthen your business resilience.
