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This proof of concept (POC) tool runs tests that allow providing specific guidance about networking connectivity improvements that can be made between a user location to Office 365. Please try the tests and give us your feedback about how we could improve the tool to support networking connectivity to Office 365.

Several factors influence the quality of your Office 365 experience, including your network egress architecture, your Internet Service Provider (ISP), and the network path used to connect into Office 365 service front doors. This tool tests these elements and provides recommendations to improve your Office 365 performance.

About

This proof of concept (POC) tool runs tests that allow providing specific guidance about networking connectivity improvements that can be made between a user location to Office 365. Please try the tests and give us your feedback about how we could improve the tool to support networking connectivity to Office 365.

Several factors influence the quality of your Office 365 experience, including your network egress architecture, your Internet Service Provider (ISP), and the network path used to connect into Office 365 service front doors. This tool tests these elements and provides recommendations to improve your Office 365 performance.

Enter your city and country below or click on the Locate me icon:

Please wait while testing is in progress.

Please open this website in Microsoft Edge on a Windows PC to run the advanced tests.
Advanced tests use ClickOnce which is not enabled by default in Edge. Go to edge://flags/#edge-click-once if you need to enable the ClickOnce feature.

Optionally enter your tenant name, then download and run the advanced tests.

We found specific recommended actions you can take to improve network performance for Office 365.

We did not find any specific actions you can take to improve network performance for Office 365.

You are here Your DNS Server Location
(requires advanced tests)
Your egress location Your Proxy Server location
(requires advanced tests)
Your Optimal Front door location Sub-optimal front door connection

Relative performance compared to other Office 365 customers near you

This table shows customers near you grouped by relative performance and shows you where your performance ranks with them. It aggregates customer diagnostic data by city or who are near a common metro area.

During the POC we are asking for your perception of Office 365 performance to help us evaluate this table. Clicking the appropriate button will share your perception along side the performance we selected with Microsoft.

Customers near you Performance Your perception
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  • 1
  • Proof of concept user tests
Test Result
User location
{{ testReport.browserLocationCity }}, {{ testReport.browserLocationRegion }}, {{ testReport.browserLocationCountry }} found by Web browser as entered by user
Network egress location {{ getFormattedIpStackLocation(testReport.egressLocationCity, testReport.egressLocationRegion, testReport.egressLocationCountry, testReport.egressLocationLatitude, testReport.egressLocationLongitude) }}
User to network egress distance
5
{{ numberWithCommas(Math.floor(testReport.browserToEgressLocationDistance / 1.609)) }} miles ({{ numberWithCommas(testReport.browserToEgressLocationDistance) }} kilometers)
User's default gateway
4
Test Failed {{ testReport.gateway.defaultGateway }} ({{ testReport.gateway.latency }} ms)
Client DNS Server Test run failed.

{{ dnsServer.ip }} ({{ dnsServer.latency }} ms)

Client DNS Recursive Resolver
5
Test Failed
{{ testReport.dnsResolver.ipAddress }}
Proxy server identification
6
  • 2
  • Proof of Concept tests to Exchange Online service front door
Test Result
Office 365 Exchange Online service front door location
2
{{ testReport.currentFrontDoor.displayName }} ({{ testReport.measuredLatency }} ms). Predicted {{ testReport.measuredLatency - testReport.bestPossibleLatency }} ms improvement.
Optimal Office 365 Exchange Online service front door(s) for user location

{{ optimalFrontDoor }}

Customers in your metro area with better performance
3
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Exchange Online front door resolved by client DNS

{{ exchangeDnsServer.hostname }} -> {{ exchangeDnsServer.reverseHostname }} [{{ exchangeDnsServer.ip }}]

This DNS lookup is not relevant to performance because an HTTP proxy server has been detected for this URL. The HTTP proxy server will perform the DNS lookup instead.

FAQ

Here are the answers to some of our frequently asked questions.

  • Is this tool released and supported by Microsoft?

    It is currently a proof of concept and we plan to provide updates regularly until we reach general availability release status with support from Microsoft. Please provide feedback to help us improve. We are planning to publish a more detailed Office 365 Network Onboarding guide as part of this tool which is customized for the organization by its test results.

  • What is Office 365 service front door?

    The Office 365 service front door is an entry point on Microsoft's global network where Office clients and services terminate their network connection. For an optimal network connection to Office 365, it is recommended that your network connection is terminated into the closest Office 365 front door in your city or metro.

    Note: Office 365 service front door has no direct relationship to the “Azure Front Door Service” product available in the Azure marketplace.

  • What is an optimal Office 365 service front door?

    An optimal Office 365 service front door is one that is closest to your network egress, generally in your city or metro area. Use the Office 365 network performance tool to determine location of your in-use Office 365 service front door and optimal service front door. If the tool determines your in-use front door is optimal, then you are optimally connecting into Microsoft's global network.

  • What is an internet egress location?

    The internet egress Location is the location where your network traffic exits your enterprise network and connects to the Internet. This is also identified as the location where you have a Network Address Translation (NAT) device and usually where you connect with an Internet Service Provider (ISP). If you see a long distance between your location and your internet egress Location, then this may identify a significant WAN backhaul.

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