HIS 2000 has been in the Extended Support phase of its lifecycle since January 9, 2007. Per the Lifecycle Support policy, the support lifecycle for HIS 2000 ends on January 10, 2012. Click the following link to see the HIS 2000 lifecycle information:
HIS 2000 Lifecycle
If you are still using HIS 2000, it would be a great time to ramp up the migration/upgrade plans.