<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: Arial; font-size: 12pt; color: #000000'><span>I can see smpd running as a service. smpd responds to start and stop commands.<br><br>MPICH2 Configurable Settings reports<br><br>"spike: MPICH2 not installed or unable to query host"<br><br>I used the wmpiregister.exe to associate "behappy" with my mike account. I copied the mpich2mpidll to the winlaamps directory along with the<br>mpiexec.exe.<br><br>I turned off the windows firewall and disabled it. I turned off the Norton firewall and it is disabled as well. <br><br>The lmp6.exe is a LAMMPS EXE file copied directly from the LAMMPS site. <br><br><span name="x"></span><span name="x"></span><br><br>C:\winlaamps>mpiexec -np 4 -localonly c:\winlaamps\lmp6 < in.water5<br>Unable to open the HKEY_LOCAL_MACHINE\SOFTWARE\MPICH\SMPD\process\6240 registry key, error 5, Access is denied.<br><br>Unable to open the HKEY_LOCAL_MACHINE\SOFTWARE\MPICH\SMPD\process\3572 registry key, error 5, Access is denied.<br><br>Unable to open the HKEY_LOCAL_MACHINE\SOFTWARE\MPICH\SMPD\process\7056 registry key, error 5, Access is denied.<br><br>Unable to open the HKEY_LOCAL_MACHINE\SOFTWARE\MPICH\SMPD\process\7060 registry key, error 5, Access is denied.<br><br>I was hoping to get LAMMPS to run quicker (divide and conquer)in a multicore environment.<br><br>Thanks in advance for any insight! <br></span><br></div></body></html>