diff --git a/openmetadata-service/src/main/java/org/openmetadata/service/search/elasticsearch/ElasticSearchIndexManager.java b/openmetadata-service/src/main/java/org/openmetadata/service/search/elasticsearch/ElasticSearchIndexManager.java
index d86ec7d7b22..50c68af5d07 100644
--- a/openmetadata-service/src/main/java/org/openmetadata/service/search/elasticsearch/ElasticSearchIndexManager.java
+++ b/openmetadata-service/src/main/java/org/openmetadata/service/search/elasticsearch/ElasticSearchIndexManager.java
@@ -1,6 +1,7 @@
 package org.openmetadata.service.search.elasticsearch;
 
 import es.co.elastic.clients.elasticsearch.ElasticsearchClient;
+import es.co.elastic.clients.elasticsearch._types.ElasticsearchException;
 import es.co.elastic.clients.elasticsearch.indices.CreateIndexRequest;
 import es.co.elastic.clients.elasticsearch.indices.DeleteIndexRequest;
 import es.co.elastic.clients.elasticsearch.indices.DeleteIndexResponse;
@@ -276,12 +277,31 @@ public class ElasticSearchIndexManager implements IndexManagementClient {
       return indices;
     }
     try {
+
+      boolean isAliasExist = client.indices().existsAlias(b -> b.name(aliasName)).value();
+      if (!isAliasExist) {
+        LOG.warn("Alias '{}' does not exist. Returning empty index set.", aliasName);
+        return indices;
+      }
+
       GetAliasRequest request = GetAliasRequest.of(g -> g.name(aliasName));
       GetAliasResponse response = client.indices().getAlias(request);
 
       indices.addAll(response.result().keySet());
 
       LOG.info("Retrieved indices for alias {}: {}", aliasName, indices);
+    } catch (ElasticsearchException esEx) {
+      if (esEx.status() == 404) {
+        LOG.warn("Alias '{}' not found (404). Returning empty set.", aliasName);
+        return indices;
+      }
+
+      // Other errors should not be masked
+      LOG.error(
+          "Unexpected ElasticsearchException while getting alias {}: {}",
+          aliasName,
+          esEx.getMessage(),
+          esEx);
     } catch (Exception e) {
       LOG.error("Failed to get indices for alias {} due to", aliasName, e);
     }
diff --git a/openmetadata-service/src/main/java/org/openmetadata/service/search/opensearch/OpenSearchIndexManager.java b/openmetadata-service/src/main/java/org/openmetadata/service/search/opensearch/OpenSearchIndexManager.java
index 984d6a107fa..aa13958bf98 100644
--- a/openmetadata-service/src/main/java/org/openmetadata/service/search/opensearch/OpenSearchIndexManager.java
+++ b/openmetadata-service/src/main/java/org/openmetadata/service/search/opensearch/OpenSearchIndexManager.java
@@ -13,6 +13,7 @@ import org.openmetadata.schema.utils.JsonUtils;
 import org.openmetadata.search.IndexMapping;
 import org.openmetadata.service.search.IndexManagementClient;
 import os.org.opensearch.client.opensearch.OpenSearchClient;
+import os.org.opensearch.client.opensearch._types.OpenSearchException;
 import os.org.opensearch.client.opensearch._types.mapping.TypeMapping;
 import os.org.opensearch.client.opensearch.indices.CreateIndexRequest;
 import os.org.opensearch.client.opensearch.indices.CreateIndexResponse;
@@ -400,12 +401,30 @@ public class OpenSearchIndexManager implements IndexManagementClient {
       return indices;
     }
     try {
+      boolean isAliasExist = client.indices().existsAlias(b -> b.name(aliasName)).value();
+      if (!isAliasExist) {
+        LOG.warn("Alias '{}' does not exist. Returning empty index set.", aliasName);
+        return indices;
+      }
+
       GetAliasRequest request = GetAliasRequest.of(g -> g.name(aliasName));
       GetAliasResponse response = client.indices().getAlias(request);
 
       indices.addAll(response.result().keySet());
 
       LOG.info("Retrieved indices for alias {}: {}", aliasName, indices);
+    } catch (OpenSearchException osEx) {
+      if (osEx.status() == 404) {
+        LOG.warn("Alias '{}' not found (404). Returning empty set.", aliasName);
+        return indices;
+      }
+
+      // Other errors should not be masked
+      LOG.error(
+          "Unexpected OpensearchException while getting alias {}: {}",
+          aliasName,
+          osEx.getMessage(),
+          osEx);
     } catch (Exception e) {
       LOG.error("Failed to get indices for alias {} due to", aliasName, e);
     }