Knowledge Base
Cannot Power on virtual machines on an ESX host
Symptoms
- Can't power on virtual machine
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Unable to start a virtual machine
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Not enough licenses installed
Purpose
Resolution
When attempting to power on a virtual machine, especially the first virtual machine on a newly-installed ESX host, VI Client may display an error message similar to the following:
There are not enough licenses installed to perform this operation.
Somehow the ESX host is in an unlicensed state. The most common causes and possible solutions are:
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ESX Server License Type is set to 'Unlicensed'. For more information, see Setting the ESX Server Edition while licensing the ESX host (1005485).
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All available licenses are in use.
Using VI Client, check the state of installed licenses by clicking Administration and the Licenses tab.
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Incorrect License Source is selected. For more information, see Configuring a License Source on an ESX host (1005486).
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Not enough licenses are installed. For more information, see Not enough licenses installed (1005265).
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