<html><DIV><FONT style="BACKGROUND-COLOR: #ece9d8">Have a network running 64-bit Windows OS (Windows XP Pro x64 v2003 sp1).</FONT></DIV>
<DIV><FONT style="BACKGROUND-COLOR: #ece9d8"></FONT> </DIV>
<DIV><SPAN class=814274813-21072006><FONT face="Times New Roman">Used Visual Studio 2005 to build a 64 bit version of a known-good sample cluster code. Downloaded and installed MPICH2 Win64 IA64.</FONT></SPAN></DIV>
<DIV><SPAN class=814274813-21072006><FONT face="Times New Roman"></FONT></SPAN> </DIV>
<DIV><SPAN class=814274813-21072006><FONT face="Times New Roman">The nodes contain AMD Athlon 64x2 dual core processor 4200+ running at 2.21ghz.</FONT></SPAN></DIV>
<DIV><SPAN class=814274813-21072006><FONT face="Times New Roman">There are 4gb RAM.</FONT></SPAN></DIV>
<DIV><SPAN class=814274813-21072006><FONT face="Times New Roman"></FONT></SPAN> </DIV>
<DIV><SPAN class=814274813-21072006><FONT face="Times New Roman">Running the sample code gives the following access error message:</FONT></SPAN></DIV>
<DIV><SPAN class=814274813-21072006><FONT face="Times New Roman"></FONT></SPAN> </DIV>
<DIV><SPAN class=814274813-21072006><FONT face="Times New Roman"><EM>C:\Program_Files\MPI_Examples>C:\Program_Files\MPICH2x64\bin\mpiexec -exitcodes -n 1 -pwdfile Options.txt First_Example<BR>Credentials for \162.18.198.244\Config rejected connecting to daycluster<BR>Aborting: Unable to connect to daycluster</EM></FONT></SPAN></DIV>
<DIV><SPAN class=814274813-21072006><FONT face="Times New Roman"><EM><BR></EM></FONT></SPAN><SPAN class=814274813-21072006><FONT face="Times New Roman">Credentials are stored in Options.txt:</FONT></SPAN></DIV>
<DIV><SPAN class=814274813-21072006><FONT face="Times New Roman"></FONT></SPAN> </DIV>
<DIV><SPAN class=814274813-21072006><FONT face="Times New Roman"><EM>\162.18.198.244\Config<BR>Aero2006</EM></FONT></SPAN></DIV>
<DIV><SPAN class=814274813-21072006><FONT face="Times New Roman"><EM> </DIV></EM></FONT></SPAN>
<DIV><SPAN class=814274813-21072006><FONT face="Times New Roman">It seems like MPICH2 is trying to log in but is being rejected. The nodes are configured in the same way as are the 32-bit nodes on another network. This process works fine there.</FONT></SPAN></DIV>
<DIV><SPAN class=814274813-21072006><FONT face="Times New Roman"></FONT></SPAN> </DIV>
<DIV><SPAN class=814274813-21072006><FONT face="Times New Roman">Would appreciate any insights you can offer.</FONT></SPAN></DIV>
<DIV><SPAN class=814274813-21072006><FONT face="Times New Roman"></FONT></SPAN> </DIV>
<DIV><SPAN class=814274813-21072006><FONT face="Times New Roman"></FONT></SPAN> </DIV>
<DIV><SPAN class=814274813-21072006><FONT face="Times New Roman">Thanks,</FONT></SPAN></DIV>
<DIV><SPAN class=814274813-21072006><FONT face="Times New Roman"></FONT></SPAN> </DIV>
<DIV><SPAN class=814274813-21072006><FONT face="Times New Roman">Peter</FONT></SPAN></DIV>
<DIV><SPAN class=814274813-21072006></SPAN> </DIV></html>