On 03/24/2016 06:16 PM, Karli Sjöberg wrote: If you want to login with user with different upn suffix, then just append that suffix $ ovirt-engine-extensions-tool aaa login-user --profile=baz.foo.bar-new --user-name=user(a)foo.bar If you have more suffixes and want to have some as default you can use following approach: 1) install ovirt-engine-extension-aaa-misc 2) create new mapping extension like this: /etc/ovirt-engine/extensions.d/mapping-suffix.properties ovirt.engine.extension.name = mapping-suffix ovirt.engine.extension.bindings.method = jbossmodule ovirt.engine.extension.binding.jbossmodule.module = org.ovirt.engine-extensions.aaa.misc ovirt.engine.extension.binding.jbossmodule.class = org.ovirt.engineextensions.aaa.misc.mapping.MappingExtension ovirt.engine.extension.provides = org.ovirt.engine.api.extensions.aaa.Mapping config.mapUser.type = regex config.mapUser.pattern = ^(?<user>[^@]*)$ config.mapUser.replacement = ${user}(a)foo.bar config.mapUser.mustMatch = false 3) select a mapping plugin in authn configuration: ovirt.engine.aaa.authn.mapping.plugin = mapping-suffix With above configuration in use, your user 'user' witll be mapped to user &#39;user(a)foo.bar&#39; and users &#39;user(a)anotherdomain.foo.bar&#39; will remain &#39;user(a)anotherdomain.foo.bar&#39;.