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Virtual machine consumes CPU in excess, Mac starts to overheat

APPLIES TO:
  • Parallels Desktop for Mac Business Edition
  • Parallels Desktop for Mac Pro Edition

Symptoms

Windows 7 virtual machine consumes CPU resources in excess.

In Activity Monitor (Finder > Applications > Utilities > Activity Monitor.app) there is similar CPU consumption:

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In Windows Task Manager there is Wmpnetwk.exe process takes a lot of CPU:

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Cause

Windows Media Player Network Sharing Service doesn't work correctly.

Resolution

  1. Go to Start menu > Enter services.msc > hit Return/Enter

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  2. Right-Click on Windows Media Player Network Sharing Service > Properties

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  3. Disable it:

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  4. Restart your virtual machine



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