Office 365 Deployment Readiness Tool

Any customer thinking of migrating to Office 365 should use the O365 Deployment Readiness Tool as a prerequisite.

It is a “must” to run this tool to gather information about your platform if you are thinking of moving to Office 365. It checks whether your platform is ready to make a move to the cloud and if not, it will point out the steps to be taken to make your platform Office 365 ready.

The tool does the following assessments:

  • Domains
    • Email domain discovery and number of users leveraging each domain
  • User Identity and Account Provisioning
    • Statistical information
    • Active Directory schema and forest/domain functional data
    • Trusts extract (checks for multi-forest constraints)
    • Directory Synchronization
      • Pre-requisite checks
      • Attribute assessment
    • Single sign on
      • Attribute assessment
  • Exchange Online
    • Statistical information
    • Public folder, public delegates, and proxyaddresses extract
    • 3rd party and unified messaging proxyaddresses information
  • Lync Online
    • Statistical information
    • SIP domains summary
  • SharePoint Online
    • User object count assessment
  • Client and End User Experience
    • Summary of domain joined machines for rich experience/SSO readiness
  • Network
    • Port analysis on certain Office 365 endpoints
    • DNS records assessment

You need to run the tool from a domain joined machine.

O365 Readiness Deployment Tool

Download the tool here

4 thoughts on “Office 365 Deployment Readiness Tool”

  1. Hi Rajith,

    what is the difference between microsoft online services directory synchronization tool vs microsoft office 365 deployment readiness tool. I’am so confused. Can you give me a hint?

    Best Regards

    • Hi Nobby,

      The sync tool is to synchronize your AD objects into Office 365 using Azure AD Connect, while the deployment readiness tool is more of a checklist of what needs to be done to make the move to Office 365.

      The former one is a tool that actually syncs your object whereas the latter is a planning tool.



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