diff --git a/configure.sh b/configure.sh
index ab7f543..a315ca9 100755
--- a/configure.sh
+++ b/configure.sh
@@ -93,6 +93,11 @@
 #Updating of tempest_full.conf file is skipped/deprecated
 sed -i 's/${IMAGE_REF2}/'$IMAGE_REF2'/g' $current_path/cvp-configuration/tempest/tempest_ext.conf
 sed -i 's/${FIXED_NET}/'$FIXED_NET'/g' $current_path/cvp-configuration/tempest/tempest_ext.conf
+sed -i 's/${OS_USERNAME}/'$OS_USERNAME'/g' $current_path/cvp-configuration/tempest/tempest_ext.conf
+sed -i 's/${OS_TENANT_NAME}/'$OS_TENANT_NAME'/g' $current_path/cvp-configuration/tempest/tempest_ext.conf
+sed -i 's/${OS_REGION_NAME}/'$OS_REGION_NAME'/g' $current_path/cvp-configuration/tempest/tempest_ext.conf
+sed -i 's|${OS_AUTH_URL}|'"${OS_AUTH_URL}"'|g' $current_path/cvp-configuration/tempest/tempest_ext.conf
+sed -i 's|${OS_PASSWORD}|'"${OS_PASSWORD}"'|g' $current_path/cvp-configuration/tempest/tempest_ext.conf
 sed -i 's/publicURL/'$TEMPEST_ENDPOINT_TYPE'/g' $current_path/cvp-configuration/tempest/tempest_ext.conf
 #supress tempest.conf display in console
 #cat $current_path/cvp-configuration/tempest/tempest_ext.conf