Which operating systems does the U2000 support?

The supported operating systems vary with U2000 versions.

 

For example

V2R14C60:

 

First, you should check U2000 software version you're using.

Second, follow the guide of z00317405 comment above to confirm which OS support to install U2000.

As I know, almost the OS that U2000 can be installed is : Sun Solaris (SPARC processor), SUSE Linux Ent (Intel processor and ATAE platform), Windows Server.