diff --git a/ansible/roles/oracle-oms-setup/files/metric_extensions/delius/materialized_view_refresh_time/collection/ME#24#MATERIALIZED_VIEW_REFRESH_TIME.xml b/ansible/roles/oracle-oms-setup/files/metric_extensions/delius/materialized_view_refresh_time/collection/ME#24#MATERIALIZED_VIEW_REFRESH_TIME.xml
index 5365c2257..09413cf0e 100644
--- a/ansible/roles/oracle-oms-setup/files/metric_extensions/delius/materialized_view_refresh_time/collection/ME#24#MATERIALIZED_VIEW_REFRESH_TIME.xml
+++ b/ansible/roles/oracle-oms-setup/files/metric_extensions/delius/materialized_view_refresh_time/collection/ME#24#MATERIALIZED_VIEW_REFRESH_TIME.xml
@@ -1,4 +1,4 @@
-<TargetCollectionExt EXT_NAME="ME$MATERIALIZED_VIEW_REFRESH_TIME" EXT_VERSION="2" TARGET_TYPE="host"><CollectionItem NAME="ME$MATERIALIZED_VIEW_REFRESH_TIME" UPLOAD="YES">
+<TargetCollectionExt EXT_NAME="ME$MATERIALIZED_VIEW_REFRESH_TIME" EXT_VERSION="3" TARGET_TYPE="host"><CollectionItem NAME="ME$MATERIALIZED_VIEW_REFRESH_TIME" UPLOAD="YES">
 	<Schedule>
 		<IntervalSchedule INTERVAL="15" TIME_UNIT="Min"/>
 	</Schedule>
diff --git a/ansible/roles/oracle-oms-setup/files/metric_extensions/delius/materialized_view_refresh_time/mea.xml b/ansible/roles/oracle-oms-setup/files/metric_extensions/delius/materialized_view_refresh_time/mea.xml
index 542db24fe..267034e1f 100644
--- a/ansible/roles/oracle-oms-setup/files/metric_extensions/delius/materialized_view_refresh_time/mea.xml
+++ b/ansible/roles/oracle-oms-setup/files/metric_extensions/delius/materialized_view_refresh_time/mea.xml
@@ -1,5 +1,5 @@
 <MetricExtensionArchive name="MEAME$MATERIALIZED_VIEW_REFRESH_TIME">
-<MetricExtension name="ME$MATERIALIZED_VIEW_REFRESH_TIME" type="host" version="2" is_repos="FALSE" display_name="Time Since Oldest Materialized View Refresh" description="Calculated in Minutes" version_comment=" " metadata_digest="7fdba0582d18a1f457a28e5e55fe306e" coll_digest="e512a32d93873389d91fe9ba77450e53" attach_digest="049b8ec6eeb5c26d4bf997b8524925c5">
+<MetricExtension name="ME$MATERIALIZED_VIEW_REFRESH_TIME" type="host" version="3" is_repos="FALSE" display_name="Time Since Oldest Materialized View Refresh" description="Calculated in Minutes" version_comment=" " metadata_digest="7fdba0582d18a1f457a28e5e55fe306e" coll_digest="e512a32d93873389d91fe9ba77450e53" attach_digest="dd076a9f5d3844dd7ead88e125ebe129">
 <scripts name="time_since_oldest_mv_refresh.sh">
 </scripts>
 </MetricExtension>
diff --git a/ansible/roles/oracle-oms-setup/files/metric_extensions/delius/materialized_view_refresh_time/metadata/ME#24#MATERIALIZED_VIEW_REFRESH_TIME.xml b/ansible/roles/oracle-oms-setup/files/metric_extensions/delius/materialized_view_refresh_time/metadata/ME#24#MATERIALIZED_VIEW_REFRESH_TIME.xml
index 0f146a54f..0faa9f70f 100644
--- a/ansible/roles/oracle-oms-setup/files/metric_extensions/delius/materialized_view_refresh_time/metadata/ME#24#MATERIALIZED_VIEW_REFRESH_TIME.xml
+++ b/ansible/roles/oracle-oms-setup/files/metric_extensions/delius/materialized_view_refresh_time/metadata/ME#24#MATERIALIZED_VIEW_REFRESH_TIME.xml
@@ -1,4 +1,4 @@
-<TargetMetadataExt EXT_NAME="ME$MATERIALIZED_VIEW_REFRESH_TIME" EXT_VERSION="2" TARGET_TYPE="host"><Metric NAME="ME$MATERIALIZED_VIEW_REFRESH_TIME" TYPE="TABLE">
+<TargetMetadataExt EXT_NAME="ME$MATERIALIZED_VIEW_REFRESH_TIME" EXT_VERSION="3" TARGET_TYPE="host"><Metric NAME="ME$MATERIALIZED_VIEW_REFRESH_TIME" TYPE="TABLE">
 <Display>
 <Label NLSID="NLS_METRIC_hostME$MATERIALIZED_VIEW_REFRESH_TIME">Time Since Oldest Materialized View Refresh</Label>
 <Description NLSID="NLS_DESCRIPTION_hostME$MATERIALIZED_VIEW_REFRESH_TIME">Calculated in Minutes</Description>
diff --git a/ansible/roles/oracle-oms-setup/files/metric_extensions/delius/materialized_view_refresh_time/scripts/time_since_oldest_mv_refresh.sh b/ansible/roles/oracle-oms-setup/files/metric_extensions/delius/materialized_view_refresh_time/scripts/time_since_oldest_mv_refresh.sh
index 5d8e83520..8293e2145 100644
--- a/ansible/roles/oracle-oms-setup/files/metric_extensions/delius/materialized_view_refresh_time/scripts/time_since_oldest_mv_refresh.sh
+++ b/ansible/roles/oracle-oms-setup/files/metric_extensions/delius/materialized_view_refresh_time/scripts/time_since_oldest_mv_refresh.sh
@@ -8,6 +8,9 @@
 # Exit without failure if database is not up
 srvctl status database -d $ORACLE_SID >/dev/null || exit 0
 
+# Exit without failure if the database is mounted and not open (probably a standby database)
+(srvctl status database -d $ORACLE_SID -v | grep -q Mounted) && exit 0
+
 sqlplus -s / as sysdba <<EOSQL
 SET ECHO OFF
 SET FEEDBACK OFF