Create a Windows guest operating system specification that you can apply when you create blueprints for use with vRealize Automation. This customization specification can be used to customize virtual machine guest operating systems when provisioning new virtual machines from vRealize Automation. 


  1. Log in to the Compute vCenter Server by using the vSphere Web Client.
    1. Open a Web browser and go to https://lax01w01vc01.lax01.rainpole.local/vsphere-client.
    2. Log in using the following credentials.
      Setting Value
      User name administrator@vsphere.local
      Password vsphere_admin_password
  2. Navigate to Home > Policies and Profiles > Customization Specification Manager and select the lax01w01vc01.lax01.rainpole.local vCenter Server from the drop-down menu.
  3. Click the Create a new specification icon.
    The  New VM Guest Customization Spec wizard appears. 
  4. On the Specify Properties page, select Windows from the Target VM Operating System drop-down menu, enter os-windows-joindomain-custom-spec for the Customization Spec Name, and click Next.
  5. On the Set Registration Information page, enter Rainpole for the virtual machine owner Name and Organization, and click Next.
  6. On the Set Computer Name page, select Use the virtual machine name, and click Next.
    The operating system uses this name to identify itself on the network.
  7. On the Enter Windows License page, provide licensing information for the Windows operating system, enter the volume_license_key license key, and click Next.
  8. On the Set Administrator Password page, specify the administrator password for use with the virtual machine, and click Next.
  9. On the Time Zone page, select (GMT-08:00) Pacific Time(US & Canada), and click Next.
  10. On the Run Once page, click Next.
  11. On the Configure Network page, click Next.
  12. On the Set Workgroup or Domain page, select Windows Server Domain, configure the following settings, and click Next.
    Setting Value
    Windows Server Domain lax01.rainpole.local
    Username svc-domain-join@rainpole.local
    Password svc-domain-join_password
    Confirm Password svc-domain-join_password
  13. On the Set Operating System Options page, select Generate New Security ID (SID), and click Next.
  14. Click Finish to save your changes.
    The customization specification that you created is listed in the  Customization Specification Manager.