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Networking

Best Practice

  • Static IPv4 for VB365 server
  • Static IPv4 for VB365 proxy/repo server
  • Create A and PTR records in DNS
  • Prefer IPv4 over IPv6
  • Use an “as direct as possible” internet connection between the proxies and the Microsoft 365 infrastructure

Explanation

Reliable and stable connectivity between the components with working DNS name resolution is key to prevent hard to trace errors.

Direct internet connection

Any kind of proxy or traffic shaping in the connection between the VB365 proxies and the M365 API servers can badly influence performance. A slow proxy can increase the sync time which is required to check for changes on an M365 object during an incremental backup run up to several minutes. Normal sync times for a direct connection are expected to be in the range of 50 to 150 milliseconds.

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Page last modified: 2022-09-27.