Discovery monitoring and issue resolution
Learn how to monitor the progress of your discoveries and how to configure the system to aggregate performance metrics that are important to you. Find descriptions of the error messages you see, and possible steps you can take to solve problems. The Now Support Knowledge Base on Hi contains several articles to help you troubleshoot discovery issues.
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Prioritize and address Discovery errors and anomalies from a centralized view in Discovery Admin Workspace. Use the Error Framework to identify root causes and take remediation actions directly from error records. For more information, see [Error Framework in Discovery Admin Workspace](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/it-operations-management/discovery/error-framework-daw.md).
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Discovery start and classification issue resolution
Resolve common causes when Discovery doesn't start or a device isn't classified, using Error Framework refined codes and manual checks for causes not yet covered by a code.
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Open the Discovery Manager to create or edit schedules for IP-based and Cloud Discovery. View the CIs and cloud resources that your schedules discover and then track any errors that occurred.
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Discovery Troubleshooting Guide
Use this article in the Now SupportKnowledge Base if you're experiencing symptoms, such as the inability for Discovery to classify a discovered host, or the Shazzam probe not finding certain types of devices.
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Troubleshoot Discovery Performance, Cancellation, and Timeout
Use this article on the Now Support Knowledge Base if your Discovery schedule runs slowly or is canceled before it completes. Find common causes for performance degradation and steps to address them, including guidance on the Cancel discovery if longer than schedule setting.
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Discovery issues may be caused by incorrectly configured or missing credentials. Find out how to identify and configure a missing credential or permission.
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View the list of common error messages and possible solutions.
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View performance metrics on probe/pattern and sensor processing times. You can use the roll-up data to monitor the performance of specific discoveries or to compare performance between versions after an upgrade.
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Monitor day-over-day trend and anomaly signals on platform performance patterns such as slow queries, scripts, and transactions.
---
title: Discovery monitoring and issue resolution
description: Learn how to monitor the progress of your discoveries and how to configure the system to aggregate performance metrics that are important to you. Find descriptions of the error messages you see, and possible steps you can take to solve problems. The Now Support Knowledge Base on Hi contains several articles to help you troubleshoot discovery issues.
locale: en-US
canonical_url: https://www.servicenow.com/docs/r/australia/it-operations-management/discovery/c\_DiscoveryTroubleshooting.html
release: australia
product: Discovery
classification: discovery
topic_type: concept
last_updated: "2026-09-10"
reading_time_minutes: 2
keywords: [support-video]
breadcrumb: [Using Discovery, Discovery, ITOM Visibility, IT Operations Management]
---
# Discovery monitoring and issue resolution
Learn how to monitor the progress of your discoveries and how to configure the system to aggregate performance metrics that are important to you. Find descriptions of the error messages you see, and possible steps you can take to solve problems. The Now Support Knowledge Base on Hi contains several articles to help you troubleshoot discovery issues.
<table id="table_j4y_rf1_wgb"><tbody><tr><td>
</td><td>
</td></tr></tbody>
</table>- **[Discovery Admin Workspace Diagnostics](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/it-operations-management/discovery/discovery-admin-workspace-diagnostics.md)**
Prioritize and address Discovery errors and anomalies from a centralized view in Discovery Admin Workspace. Use the Error Framework to identify root causes and take remediation actions directly from error records. For more information, see [Error Framework in Discovery Admin Workspace](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/it-operations-management/discovery/error-framework-daw.md).
- **[Discovery start and classification issue resolution](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/it-operations-management/discovery/disco-start-issue-resolve.md)**
Resolve common causes when Discovery doesn't start or a device isn't classified, using Error Framework refined codes and manual checks for causes not yet covered by a code.
- **[Discovery Home Page](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/it-operations-management/discovery/discovery-home-page.md)**
Open the Discovery Manager to create or edit schedules for IP-based and Cloud Discovery. View the CIs and cloud resources that your schedules discover and then track any errors that occurred.
- **[Discovery Troubleshooting Guide](https://support.servicenow.com/kb_view.do?sysparm_article=KB0535181)**
Use this article in the Now SupportKnowledge Base if you're experiencing symptoms, such as the inability for Discovery to classify a discovered host, or the Shazzam probe not finding certain types of devices.
- **[Troubleshoot Discovery Performance, Cancellation, and Timeout](https://support.servicenow.com/now/nav/ui/classic/params/target/kb%3Fid%3Dkb_article_view%26sysparm_article%3DKB0676340)**
Use this article on the Now Support Knowledge Base if your Discovery schedule runs slowly or is canceled before it completes. Find common causes for performance degradation and steps to address them, including guidance on the **Cancel discovery if longer than schedule** setting.
- **[KB0657528: Credentials and Permissions troubleshooting on Discovery, Service Mapping, and Orchestration](https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB0657528)**
Discovery issues may be caused by incorrectly configured or missing credentials. Find out how to identify and configure a missing credential or permission.
- **[Discovery error messages](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/it-operations-management/discovery/c_DiscoveryErrorMessages.md)**
View the list of common error messages and possible solutions.
- **[Discovery performance metrics](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/it-operations-management/discovery/discovery-performance-framework.md)**
View performance metrics on probe/pattern and sensor processing times. You can use the roll-up data to monitor the performance of specific discoveries or to compare performance between versions after an upgrade.
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Monitor day-over-day trend and anomaly signals on platform performance patterns such as slow queries, scripts, and transactions.
| title | Discovery monitoring and issue resolution |
| description | Learn how to monitor the progress of your discoveries and how to configure the system to aggregate performance metrics that are important to you. Find descriptions of the error messages you see, and possible steps you can take to solve problems. The Now Support Knowledge Base on Hi contains several articles to help you troubleshoot discovery issues. |
| locale | en-US |
| canonical_url | https://www.servicenow.com/docs/r/australia/it-operations-management/discovery/c\_DiscoveryTroubleshooting.html |
| release | australia |
| product | Discovery |
| classification | discovery |
| topic_type | concept |
| last_updated | 2026-09-10 |
| reading_time_minutes | 2 |
| keywords | support-video |
| breadcrumb | Using DiscoveryDiscoveryITOM VisibilityIT Operations Management |