NW6.0 sp3, BM3.7 sp2 on a HP Proliant GL380 G3

The following error just showed up.

"The system is short on event control blocks and network I/O
may degrade or fail"

What do I need to do to resolve this?

Tim R Hautzinger
Network Administrator
Elk Island Catholic School District
160 Festival Way
Sherwood Park, Alberta