That is completely normal if you didn't download and install the CA certificate from your ovirt engine GUI. There's a download link for it on the page before you login? On Mon, Mar 18, 2019 at 5:01 PM <jingjie.jiang(a)oracle.com <mailto:jingjie.jiang@oracle.com>> wrote: Hi, I tried to create windows2012 vm on nfs data domain, but the disk was locked. Found the error message as following: Connection to ovirt-imageio-proxy service has failed. Make sure the service is installed, configured, and ovirt-engine certificate is registered as a valid CA in the browser. Is this known issue? Thanks, Jingjie _______________________________________________ Users mailing list -- users(a)ovirt.org <mailto:users@ovirt.org> To unsubscribe send an email to users-leave(a)ovirt.org <mailto:users-leave@ovirt.org> Privacy Statement: https://www.ovirt.org/site/privacy-policy/ oVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/ List Archives: https://lists.ovirt.org/archives/list/users@ovirt.org/message/QBZQG553L7W...