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Setting Up SMB Multichannel
1 minute read.
Last Modified 2023-11-30 10:15 ESTSMB multichannel allows servers to use multiple network connections simultaneously by combining the bandwidth of several network interface cards (NICs) for better performance.
SMB multichannel does not function if you combine NICs into a LAGG.
If you already have clients connected to SMB shares, disconnect them before activating multichannel.
- Go to System Settings > Services and click the edit icon for the SMB service.
- Click Advanced Settings, then enable Multichannel.
- Save and restart the SMB service, then reconnect all clients to their SMB Shares.
After you connect a client to their SMB share, open Powershell as an administrator on a client, then enter Get-SmbMultichannelConnection. The terminal should list multiple server IPs.
You can also enter Get-SmbMultichannelConnection | ConvertTo-Json and ensure CurrentChannels is more than 1.
