Error performing P2V migration

[dtmoraug]

We try to migrate a Proliant 3000 with Windows NT 4 SP6A to VMWARE ESX 3 Servere Using P2V with HP SIM 5.0 SP5. When starting the Migration we get the error: RemoteException occurred in server thread; nested exception is: java.rmi.ServerException:
RemoteException occurred in server thread; nested exception is: java.rmi.RemoteException:
Failed to validate config path!; nested exception is: com.hp.mx.vmm.vmtools.grid.virtualcenter.VmmAxisFault:
java.lang.reflect.InvocationTargetException; nested exception is: com.hp.mx.vmm.vmtools.grid.virtualcenter.VmmAxisFault:
null; nested exception is: com.hp.mx.vmm.vmtools.grid.virtualcenter.VmmAxisFault
faultString=Permission to perform this operation was denied. originalClass=class
com.hp.mx.vmm.vc2_0.vim.NoPermission faultString=null originalClass=class
java.lang.reflect.InvocationTargetException faultString=null originalClass=class
com.hp.mx.vmm.vmtools.grid.VmmRuntimeException

What could bewrong?