Index: /issm/trunk-jpl/src/m/classes/clusters/generic.m
===================================================================
--- /issm/trunk-jpl/src/m/classes/clusters/generic.m	(revision 16942)
+++ /issm/trunk-jpl/src/m/classes/clusters/generic.m	(revision 16943)
@@ -115,4 +115,7 @@
 				fprintf(fid,'@echo off\n');
 
+				warning('parallel runs not allowed yet in Windows. Defaulting to 1 cpus');
+				cluster.np=1;
+
 				if cluster.np>1,
 					fprintf(fid,'"C:\\Program Files\\MPICH2\\bin\\mpiexec.exe" -n %i "%s/issm.exe" %s ./ %s ',cluster.np,cluster.codepath,EnumToString(solution),modelname);