Microsoft Exchange Deployment Assistant / SARA
Microsoft
Free
Cold - full outage for the whole copy
Agentless
Enterprise estates
ExchangeAssessment
What it is good at
Generates a checklist tailored to your exact source version and target topology - the fastest way to a defensible plan.
Where it falls down
Planning only.
Capabilities
- Discovery and assessment
- Programme reporting / audit trail
Cost and licensing
- Cost category
- Free — No licence cost from the vendor.
- Indicative price
- No licence cost
- Licence model
- Free Microsoft web tool and support diagnostic.
- How to license it
- Use the web-based Deployment Assistant and download the Support and Recovery Assistant. Free.
- Lifecycle
- Current
- Vendor page
- https://learn.microsoft.com/exchange/
Pricing and licensing last reviewed 2026-09-18. Indicative only - confirm with the vendor.
Supported sources
- Any platform
Supported targets
- Any platform
Scenarios it covers
- Exchange on-premises to Exchange Online (Microsoft 365)
- Long-term hybrid coexistence (phased, months)
- Exchange version upgrade (2013/2016/2019 to Exchange SE)
- Exchange on-premises to on-premises (different org/forest)