This performance tool tests your Internet connection to a Microsoft Online Services data center and measures the response times, bandwidth, and overall connection quality. The results can help you evaluate your network configuration for potential use with Microsoft Online Services. This tool does not engage any of the offerings from Microsoft Online Services. Instead, it focuses on the quality of your connection to the Microsoft Online Services data center.

Details

This tool helps you understand the quality of the Internet connection between your environment and Microsoft Online Services. It does not measure your environment compatibility with Microsoft Online Services. The tool performs three tests:

  • Speed: This test measures your actual download and upload speeds, quality of data, and TCP efficiency. It uses TCP/20000 for download testing and TCP/20001 for upload testing.
  • Route: This test validates your connection quality, including packet loss, latency, round trip, and ISP peering points. It uses Internet Control Message Protocol (ICMP).
  • Capacity: This test measures your potential maximum download and upload speeds. It uses UDP/8090.

http://speedtest.microsoftonline.com/

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