
Workstation User’s Manual
224 VMware, Inc.
Moving Between 64-Bit and 32-Bit Hosts
Youcanmoveavirtualmachinefroma32‐bithosttoa64‐bithostbutnotfroma64‐bit
hosttoa32‐bithostunlessthe32‐bithosthasasupported64‐bitprocessor.
Moving Between Multiprocessor and Uniprocessor Hosts
Forallsupportedconfigurationsof32‐bitand64‐bithostandguestoperatingsystems
runningonmultiprocessorhostmachines,Workstation5.5andhighervirtualmachines
supportfour‐wayvirtualsymmetricmultiprocessing(SMP).Thissupportenablesyou
toassignuptofourvirtualprocessorstoavirtualmachine.Thisissupportedon
lyfor
hostmachineswithatleasttwologicalprocessors.See“UseFour‐WayVirtual
SymmetricMultiprocessing”onpage 366.
Open a Virtual Machine Created in ESX Server That Has More Than Two
Processors
YoucanuseWorkstation5.5orhigher,runningonamultiprocessorhostmachine,to
openavirtualmachinecreatedinVMwareESXServerthathasoneormorevirtual
processors.However,inWorkstationyoucannotpoweronorresumeavirtualmachine
thathasmorethantwovirtualprocessorsassigned,evenifmor
eprocessorswer
e
assignedwhenthevirtualmachinewascreatedinESXServer.
Youcanseethissettinginthevirtualmachine’ssummaryvieworbyusingthevirtual
machinesettingseditor.
N
OTEWorkstationsupports64‐bitguestoperatingsystemsonlyinWorkstation 5.5
andhigher,andonlyonhostmachineswithsupportedprocessors.Whenyoupoweron
avirtualmachinewitha64‐bitguestoperatingsystem,Workstationperformsan
internalcheck.IfthehostCPUisnotasupported64‐bitprocessor,youcannotpo
wer
onthevirtualmachine.ForthelistofprocessorsWorkstationsupportsfor64‐bitguest
operatingsystems,see“PCHardware”onpage 23.
N
OTEIfthehostisauniprocessormachine,assigningtwoprocessorsisnotsupported.
Awarningmessageappears.Youcandisregardthismessageandassigntwoprocessors
tothevirtualmachine,butwhenyoufinishcreatingthevirtualmachine,youcannot
poweritonunlessyoumoveittoahostmachinewi
thatleasttwologicalprocessors.
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