If you haven't upgraded yet, check it out. VMware has released Virtual Server RC2 on 6/22/06, build 27828.
With this release, VMware has increased their host and guest operating system support:
Full support for SUSE Linux 10.1 as host and guest operating systems.
Full support for 32-bit Ubuntu 6.x as host and guest operating systems.
Full support for 32-bit Sun Solaris 10.x as guest operating systems.
Full support for 32-bit and 64-bit FreeBSD 6.0 as guest operating systems.
Experimental support for Red Hat Enterprise Linux 3.0 Update8 and Red Hat Enterprise Linux 4.0 Update4.
Experimental support for 64-bit Ubuntu 6.x as host and guest operating systems.
Experimental support for 64-bit Sun Solaris 10.x as guest operating systems.
Check out the Virtual Server RC2 Release Notes, here.
Download the latest Virtual Server RC2 bits, here.