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DirectInput Errors when Powering On a Virtual Machine

Details

I get a DirectInput error on my Windows host when I try to power on my virtual machine. What is wrong?

Solution

If you have a TouchPad pointing device or a troublesome mouse driver, DirectInput may fail to initialize with the following error when you attempt to power on the virtual machine:

Msg_Post Error: msg.diMouse.powerOnFailed Failed to set DirectInput data format: HRESULT(0x80070057: sev 1 fac 7 code 87): The parameter is incorrect. Failed to initialize DirectInput mouse.

The virtual machine fails to power on. Try uninstalling the TouchPad driver (or your current mouse driver, if you're not using a TouchPad) on the host computer and installing a Microsoft Generic PS/2 Mouse driver. The next time you power on the virtual machine, you should not see the error message.

See also VMware Knowledge Base article 830 at www.vmware.com/support/kb/enduser/std_adp_php?p_faqid=830.

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