Tag Archives: KB2009820

Virtual machine customisation fails with error “A specified parameter was not correct. spec.identity.userData.computerName”.

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Today I was testing some new Windows Server 2012 templates and noticed something rather odd. Basically my costomisations would cause the deployments from template to fail for no real reason. Error message that came up was:

Virtual_machine_customisation_fails_with_error_A_specified_parameter_was_not_correct._spec.identity.userData.computerName_1

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