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Microsoft 365

Tune and optimize performance of your Office 365 connection

We are pleased to announce new resources to help Office 365 customers receive optimal performance when connecting to Office 365. As a software as a service (SaaS) offering, Office 365 has a number of layers between the servers that Microsoft manages and the end user.

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Microsoft runs Office 365 in datacenters around the world; these datacenters are connected by a network to over 1,500 Internet Service Providers (ISPs) at over 50 network peering points on the Internet. This network is one of the three largest networks in the world and provides a substantial benefit to Office 365 customers. Between the Microsoft infrastructure and end users there is the public Internet, the customer on-premises network and Internet connection, and important client application configuration steps. The two new content areas we have focused on are:

  1. Capacity and other planning for network connectivity to Office 365.
  2. Tuning and troubleshooting performance issues connecting to Office 365.

We have a new Network Planning and Performance Tuning landing page on TechNet. It includes new content on troubleshooting performance issues due to SharePoint Online page customization. It also has a new Internet bandwidth capacity planning tool for SharePoint Online.

We have published a new course on Office 365 Performance Management  at the Microsoft Virtual Academy, which contains 11 modules across planning and troubleshooting areas including:

  1. Office 365 Performance Management Course Introduction
  2. Office 365 Datacenters and Network
  3. Planning for Office 365 Internet Capacity – Exchange Online
  4. Planning for Office 365 Internet Capacity – Lync Online
  5. Planning for Office 365 Internet Capacity – SharePoint Online
  6. The Baselining Model for Internet Capacity Planning
  7. Best Practices & Real Customer Projects Planning Internet Capacity
  8. Planning for Office 365 Firewalls Whitelisting
  9. Performance Troubleshooting Process and Tools Used
  10. Performance Troubleshooting Tests
  11. Troubleshooting SharePoint Online Customizations

We have specific Office 365 engineering teams who focus on performance improvements and this is improving performance for all users. The Microsoft Global Network Services team is working to improve network peering with more ISPs and does continued work to manage and improve the global network between datacenters and ISPs.

In the coming months you will see additional content come to the TechNet resources, such as best practices and guidance for Office 365 performance tuning.

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