For the New VPS module (OACI based), some notifications are always shown in English, no matter which locale is used.
For example, the following notification is shown when accessing CCP > VPS > Console:
Please note that leaving this page will close the remote session.
VPS NG related messages are not fully localized in OA 6.0.
The issue is acknowledged as CCU-15130.
Localization is improved in OA version > 7.0.
In order to obtain a workaround for 6.0, contact Odin Technical Support.