diff --git a/mkAIXdeps b/mkAIXdeps
index fa5b7cf55..b4de96eba 100755
--- a/mkAIXdeps
+++ b/mkAIXdeps
@@ -33,7 +33,9 @@ cd $RPMDIR
 # build tar.gz for default required RPMs and a second tar.gz for mysql
 
 # create a simple install script
-echo "# xCAT on AIX - prerequisite install script" > $RPMDIR/instoss
+echo "#!/bin/sh" > $RPMDIR/instoss
+echo "# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html" >> $RPMDIR/instoss
+echo "# xCAT on AIX - prerequisite install script" >> $RPMDIR/instoss
 
 cp /opt/freeware/src/packages/RPMS/ppc/perl-DBI-1.55-1.aix5.3.ppc.rpm $RPMDIR/
 echo "rpm -Uvh perl-DBI-1.55-1.aix5.3.ppc.rpm" >> $RPMDIR/instoss
@@ -45,13 +47,16 @@ cp /opt/freeware/src/packages/RPMS/ppc/perl-DBD-SQLite-1.13-1.aix5.3.ppc.rpm $RP
 echo "rpm -Uvh perl-DBD-SQLite-1.13-1.aix5.3.ppc.rpm" >> $RPMDIR/instoss
 
 cp /opt/freeware/src/packages/RPMS/ppc/tcl-8.4.7-3.aix5.1.ppc.rpm $RPMDIR/
-echo "rpm -Uvh tcl-8.4.7-3.aix5.1.ppc.rpm" >> $RPMDIR/instoss
-
 cp /opt/freeware/src/packages/RPMS/ppc/tk-8.4.7-3.aix5.1.ppc.rpm $RPMDIR/
-echo "rpm -Uvh tk-8.4.7-3.aix5.1.ppc.rpm" >> $RPMDIR/instoss
-
 cp /opt/freeware/src/packages/RPMS/ppc/expect-5.42.1-3.aix5.1.ppc.rpm $RPMDIR/
-echo "rpm -Uvh expect-5.42.1-3.aix5.1.ppc.rpm" >> $RPMDIR/instoss
+
+echo "# don't try to install tcl, tk, or expect if they are already installed!" >> $RPMDIR/instoss
+echo "lslpp -l | grep expect.base > /dev/null 2>&1" >> $RPMDIR/instoss
+echo "if [ \$? -gt 0 ]; then" >> $RPMDIR/instoss
+echo "    rpm -Uvh tcl-8.4.7-3.aix5.1.ppc.rpm" >> $RPMDIR/instoss
+echo "    rpm -Uvh tk-8.4.7-3.aix5.1.ppc.rpm" >> $RPMDIR/instoss
+echo "    rpm -Uvh expect-5.42.1-3.aix5.1.ppc.rpm" >> $RPMDIR/instoss
+echo "fi" >> $RPMDIR/instoss
 
 cp /opt/freeware/src/packages/RPMS/ppc/conserver-8.1.16-2.aix5.3.ppc.rpm $RPMDIR/
 echo "rpm -Uvh conserver-8.1.16-2.aix5.3.ppc.rpm" >> $RPMDIR/instoss
diff --git a/mkAIXsnap b/mkAIXsnap
index 93af37b58..8ee62ce96 100755
--- a/mkAIXsnap
+++ b/mkAIXsnap
@@ -65,7 +65,7 @@ echo "rpm -Uvh xCAT-client-$VER-*rpm" >> $RPMDIR/instxcat
 
 ./makeserverrpm
 mv /opt/freeware/src/packages/RPMS/ppc/xCAT-server-$VER-*rpm $RPMDIR/
-echo "rpm -Uvh xCAT-server-$VER-*rpm" >> $RPMDIR/instxcat
+echo "rpm -Uvh --nodeps xCAT-server-$VER-*rpm" >> $RPMDIR/instxcat
 
 ./makexcatrpm
 mv /opt/freeware/src/packages/RPMS/ppc/xCAT-$VER-*rpm $RPMDIR/