diff --git a/xCAT-IBMhpc/share/xcat/IBMhpc/pe/pe_install-1200 b/xCAT-IBMhpc/share/xcat/IBMhpc/pe/pe_install-1200
index 53574a91a..e4b303760 100644
--- a/xCAT-IBMhpc/share/xcat/IBMhpc/pe/pe_install-1200
+++ b/xCAT-IBMhpc/share/xcat/IBMhpc/pe/pe_install-1200
@@ -111,6 +111,10 @@ if [ "$OS" != "AIX" ]; then
     chmod 400  $installroot/root/.ckpt.key
 fi
 
+# Ensure that the /etc/security/privcmds file has a complte set of entries.
+if [ "$OS" == "AIX" ]; then
+    /usr/sbin/trustchk -ry ALL >/dev/null 2>&1
+fi
 
 # BSR configuration, uncomment the following lines to enable BSR configuration on Power Linux cluter.  
 #if [ "$OS" != "AIX" ]; then