diff --git a/x-pack/platform/plugins/shared/observability_ai_assistant/server/service/inference_endpoint.ts b/x-pack/platform/plugins/shared/observability_ai_assistant/server/service/inference_endpoint.ts
index e26e4248d28ce..422d70fe8cc5d 100644
--- a/x-pack/platform/plugins/shared/observability_ai_assistant/server/service/inference_endpoint.ts
+++ b/x-pack/platform/plugins/shared/observability_ai_assistant/server/service/inference_endpoint.ts
@@ -154,7 +154,7 @@ export async function getKbModelStatus({
     if (!isInferenceEndpointMissingOrUnavailable(error)) {
       throw error;
     }
-    logger.error(`Inference endpoint "${inferenceId}" not found or unavailable: ${error.message}`);
+    logger.warn(`Inference endpoint "${inferenceId}" not found or unavailable: ${error.message}`);
 
     return {
       enabled,
diff --git a/x-pack/platform/plugins/shared/observability_ai_assistant/server/service/startup_migrations/populate_missing_semantic_text_fields.ts b/x-pack/platform/plugins/shared/observability_ai_assistant/server/service/startup_migrations/populate_missing_semantic_text_fields.ts
index b29d61f01a87f..feb4c18482fc4 100644
--- a/x-pack/platform/plugins/shared/observability_ai_assistant/server/service/startup_migrations/populate_missing_semantic_text_fields.ts
+++ b/x-pack/platform/plugins/shared/observability_ai_assistant/server/service/startup_migrations/populate_missing_semantic_text_fields.ts
@@ -47,6 +47,23 @@ async function populateMissingSemanticTextField({
 }) {
   logger.debug('Initalizing semantic text migration for knowledge base entries...');
 
+  const { count } = await esClient.asInternalUser.count({
+    index: resourceNames.writeIndexAlias.kb,
+    query: {
+      bool: {
+        must_not: {
+          exists: { field: 'semantic_text' },
+        },
+      },
+    },
+  });
+  logger.info(`Documents missing 'semantic_text' before migration: ${count}`);
+
+  if (count === 0) {
+    logger.debug('No documents missing semantic_text field, skipping migration.');
+    return;
+  }
+
   await pRetry(
     async () => {
       const inferenceId = await getInferenceIdFromWriteIndex(esClient);