If a file is not optimized for more than one user at a time, this...

Steelhead appliance has entered admission control

Steelhead appliance is configured with the incorrect speed or duplex on the Primary interface

Steelhead appliance is configured with the incorrect speed or duplex on of the in-path interfaces

Steelhead appliance is not able to acquire a “File Hold Key (FHK)”

Steelhead appliance is not able to acquire an “Opportunistic Lock (oplock)”

Steelhead appliance is not able to acquire a “Double Link (doulink)”