diff --git a/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/domain/resolvers/opensaml/OpenSamlFileBackedHTTPMetadataResolver.java b/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/domain/resolvers/opensaml/OpenSamlFileBackedHTTPMetadataResolver.java
index 5f4c10905..7327458eb 100644
--- a/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/domain/resolvers/opensaml/OpenSamlFileBackedHTTPMetadataResolver.java
+++ b/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/domain/resolvers/opensaml/OpenSamlFileBackedHTTPMetadataResolver.java
@@ -1,6 +1,7 @@
 package edu.internet2.tier.shibboleth.admin.ui.domain.resolvers.opensaml;
 
 import edu.internet2.tier.shibboleth.admin.ui.domain.resolvers.FileBackedHttpMetadataResolver;
+import edu.internet2.tier.shibboleth.admin.util.TokenPlaceholderResolvers;
 import net.shibboleth.utilities.java.support.component.ComponentInitializationException;
 import net.shibboleth.utilities.java.support.resolver.ResolverException;
 import net.shibboleth.utilities.java.support.xml.ParserPool;
@@ -13,6 +14,7 @@
 import javax.annotation.Nullable;
 
 import static edu.internet2.tier.shibboleth.admin.util.DurationUtility.toMillis;
+import static edu.internet2.tier.shibboleth.admin.util.TokenPlaceholderResolvers.placeholderResolverService;
 
 /**
  * @author Bill Smith (wsmith@unicon.net)
@@ -38,8 +40,12 @@ public OpenSamlFileBackedHTTPMetadataResolver(ParserPool parserPool,
         OpenSamlMetadataResolverConstructorHelper.updateOpenSamlMetadataResolverFromReloadableMetadataResolverAttributes(
                 this, sourceResolver.getReloadableMetadataResolverAttributes(), parserPool);
 
-        this.setBackupFile(sourceResolver.getBackingFile());
-        this.setBackupFileInitNextRefreshDelay(toMillis(sourceResolver.getBackupFileInitNextRefreshDelay()));
+        //TODO: complete resolving placeholders everywhere
+        //This might throw runtime exception if unable to resolve placeholders sent from higher layers
+        this.setBackupFile(placeholderResolverService().resolveValueFromTokenPlaceholder(sourceResolver.getBackingFile()));
+        this.setBackupFileInitNextRefreshDelay(toMillis(placeholderResolverService()
+                .resolveValueFromTokenPlaceholder(sourceResolver.getBackupFileInitNextRefreshDelay())));
+
         this.setInitializeFromBackupFile(sourceResolver.getInitializeFromBackupFile());
 
         //TODO: Where does this get set in OpenSAML land?
@@ -63,6 +69,7 @@ protected void processConditionalRetrievalHeaders(HttpResponse response) {
     protected void initMetadataResolver() throws ComponentInitializationException {
         super.initMetadataResolver();
 
+
         delegate.addIndexedDescriptorsFromBackingStore(this.getBackingStore(),
                                                        this.sourceResolver.getResourceId(),
                                                        indexWriter);
diff --git a/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/domain/resolvers/opensaml/OpenSamlMetadataResolverConstructorHelper.java b/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/domain/resolvers/opensaml/OpenSamlMetadataResolverConstructorHelper.java
index c5a6845e4..9d0383c11 100644
--- a/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/domain/resolvers/opensaml/OpenSamlMetadataResolverConstructorHelper.java
+++ b/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/domain/resolvers/opensaml/OpenSamlMetadataResolverConstructorHelper.java
@@ -3,12 +3,14 @@
 import edu.internet2.tier.shibboleth.admin.ui.domain.resolvers.DynamicMetadataResolverAttributes;
 import edu.internet2.tier.shibboleth.admin.ui.domain.resolvers.HttpMetadataResolverAttributes;
 import edu.internet2.tier.shibboleth.admin.ui.domain.resolvers.ReloadableMetadataResolverAttributes;
+import edu.internet2.tier.shibboleth.admin.util.TokenPlaceholderResolvers;
 import net.shibboleth.utilities.java.support.xml.ParserPool;
 import org.opensaml.saml.metadata.resolver.MetadataResolver;
 import org.opensaml.saml.metadata.resolver.impl.AbstractDynamicMetadataResolver;
 import org.opensaml.saml.metadata.resolver.impl.AbstractReloadingMetadataResolver;
 
 import static edu.internet2.tier.shibboleth.admin.util.DurationUtility.toMillis;
+import static edu.internet2.tier.shibboleth.admin.util.TokenPlaceholderResolvers.placeholderResolverService;
 
 /**
  * @author Bill Smith (wsmith@unicon.net)
@@ -85,9 +87,12 @@ public static void updateOpenSamlMetadataResolverFromReloadableMetadataResolverA
         //TODO: This takes a ParserPool. We've got a ParserPoolRef in attributes.getParserPoolRef(). Should we use it for anything?
         reloadingMetadataResolver.setParserPool(parserPool);
 
+        //TODO: finish placeholder resolving
         if (attributes != null) {
             if (attributes.getExpirationWarningThreshold() != null) {
-                reloadingMetadataResolver.setExpirationWarningThreshold(toMillis(attributes.getExpirationWarningThreshold()));
+                reloadingMetadataResolver
+                        .setExpirationWarningThreshold(toMillis(placeholderResolverService()
+                                .resolveValueFromTokenPlaceholder(attributes.getExpirationWarningThreshold())));
             }
             if (attributes.getMaxRefreshDelay() != null) {
                 reloadingMetadataResolver.setMaxRefreshDelay(toMillis(attributes.getMaxRefreshDelay()));