Troubleshoot synthetic monitors

---
title: Troubleshoot synthetic monitors
description: Read these topics to understand how to fix common issues in synthetic monitoring.
locale: en-US
canonical_url: https://www.servicenow.com/docs/r/it-operations-management/troubleshoot-synthetic-monitors.html
release: brazil
topic_type: reference
last_updated: "2026-09-10"
reading_time_minutes: 1
breadcrumb: [Reference, Synthetic monitoring, ITOM AIOps, IT Operations Management]
---

# Troubleshoot synthetic monitors

Read these topics to understand how to fix common issues in synthetic monitoring.

-   **[Upgrade issues](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/brazil/markdown/it-operations-management/troubleshoot-sm-mid.md)**  
What to do when monitors don't work after upgrading synthetic monitoring.
-   **[OAuth issues](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/brazil/markdown/it-operations-management/troubleshoot-oauth.md)**  
Learn how to fix OAuth token refresh issues.
-   **[Impacted Service not appearing in alerts](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/brazil/markdown/it-operations-management/troubleshoot-related-services.md)**  
When a test fails for a monitor and you have configured an alert to trigger, the alert record should show the impacted service. There are a few reasons why this field might not be populated.
-   **[Bulk monitor import issues](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/brazil/markdown/it-operations-management/bulk-monitor-import-issues.md)**  
Learn to fix issues that might occur when you create monitors in bulk.
-   **[Troubleshoot ECC queue growth](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/brazil/markdown/it-operations-management/troubleshoot-ecc-queue-growth.md)**  
If the ECC queue keeps growing or contains large numbers of stale synthetic monitoring messages, use this information to identify why the auto-purge job isn't clearing them.

**Parent Topic:**[Synthetic monitoring reference](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/brazil/markdown/it-operations-management/synthetic-monitoring-reference.md)