I reimaged my 1and1 server today. When it came back up, I installed asl 2. I then went through and upgraded Plesk version-by-version, from 8.0 through 8.2. Everything went swimmingly.
When I came to add domains, I realised there was no license key in Plesk, except for the default (which only allows one domain). I think this is an error from 1and1, since I'm pretty sure they're meant to provide one on the server when it's reimaged. Clicking the "Retrieve License Keys" button on Plesk gave the response:
plesk Server response: Key Authorization Problem
Nothing I can think of can get the key back (and a quick look at /etc/psa/psa.key* reveals none of the keys here are correct).
So - quick question. Whilst I wait for 1and1 to get back to me, is it okay to steal the Plesk key from my second / backup server? I've tried uploading this key and it works - all is working fine with both servers... It's a temporary measure until I can retrieve the correct key from 1and1, but does anyone know if this might cause problems with either server? (the key expires in a couple of weeks - by which time hopefully 1and1 will have replied

Thanks in advance
Tom