Is there an easy way to change the default text under maintenance notifications?
Would change that English to Dutch.
What steps to I need to take?
Which notifications do you mean?
Well, customer are getting a small window that they have to leave there computer running and not shut down for maintenance.
This window is in English, would have this in Dutch. ( yes, not everybody understand English :-) )
That sounds like a custom script. You should be able to find it in Pending Procedures on a computer that was affected. From there, it is up to you how to modify it.