Adjust SMB browsing behavior in macOS

In macOS High Sierra 10.13 and later, the default settings for browsing network folders such as Server Message Block (SMB) shares are ideal for most organizations and users. But you can make adjustments to optimize SMB browsing in enterprise environments.

This article is intended for enterprise and education system administrators.

Your Mac determines how each window and its contents should appear by collecting file information such as labels, tags, and other forms of metadata.

In macOS Sierra 10.12 and earlier, your Mac gathers all metadata for the files in a folder, compares it to the folder's .DS_Store file, and then displays the folder's contents. In macOS High Sierra 10.13 and later, this behavior is changed slightly: If a folder is sorted alphanumerically, the contents are displayed immediately, then the Finder collects and compares the rest of the folder's metadata.

Speed up browsing on network shares

To speed up SMB file browsing, you can prevent macOS from reading .DS_Store files on SMB shares. This makes the Finder use only basic information to immediately display each folder's contents in alphanumeric order. Use this Terminal command:

defaults write com.apple.desktopservices DSDontWriteNetworkStores -bool TRUE

Then log out of your macOS account and log back in.

To reenable sorting, use this command:

defaults write com.apple.desktopservices DSDontWriteNetworkStores -bool FALSE

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