My Computer preferences in Compressor

Use the controls in the My Computer pane in Compressor to allow other computers to use your computer to process batches:

Allow other computers to process batches on my computer: Click the switch to On to make your computer available to other computers for distributed processing. Switching this on automatically enables the “When sharing my computer” controls in the Advanced pane. See Advanced preferences in Compressor.
Require Password: Select this checkbox and then type a password in the text field to make other people enter a password before using your computer for encoding.

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Compressor User Guide