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Copy file name to clipboardExpand all lines: articles/automation/troubleshoot/update-agent-issues-linux.md
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@@ -25,7 +25,7 @@ This article discusses how to run the troubleshooter for Azure machines from the
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## Start the troubleshooter
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For Azure machines, select the **troubleshoot** link under the **Update Agent Readiness** column in the portal to open the Troubleshoot Update Agent page. For non-Azure machines, the link brings you to this article. To troubleshoot a non-Azure machine, see the instructions in the "Troubleshoot offline" section.
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For Azure machines, select the **troubleshoot** link under the **Update Agent Readiness** column in the portal to open the Troubleshoot Update Agent page. For non-Azure machines, the link brings you to this article. To troubleshoot a non-Azure machine, see the instructions in the **Troubleshoot offline** section.
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### Monitoring Agent
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To fix this, install Azure Log Analytics Linux agent and ensure it communicates the required endpoints. For more information, see [Install Log Analytics agent on Linux computers](../azure-monitor/agents/agent-linux.md).
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To fix this, install Azure Log Analytics Linux agent and ensure it communicates the required endpoints. For more information, see [Install Log Analytics agent on Linux computers](../../azure-monitor/agents/agent-linux.md).
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This task checks if the folder is present -
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ps aux | grep %s | grep -v grep" % (process_name)
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```
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For more information, see [Troubleshoot issues with the Log Analytics agent for Linux](../azure/azure-monitor/agents/agent-linux-troubleshoot).
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For more information, see [Troubleshoot issues with the Log Analytics agent for Linux](../../azure-monitor/agents/agent-linux-troubleshoot.md)
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### Multihoming
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This check determines if the agent is reporting to multiple workspaces. Update Management doesn't support multihoming.
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To fix this issue, purge the OMS Agent completely and reinstall it with the [workspace linked with Update management](../azure-monitor/agents/agent-linux-troubleshoot#purge-and-re-install-the-linux-agent).
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To fix this issue, purge the OMS Agent completely and reinstall it with the [workspace linked with Update management](../../azure-monitor/agents/agent-linux-troubleshoot.md#purge-and-reinstall-the-linux-agent)
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Validate that there are no more multihoming by checking the directories under this path:
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### IMDS connectivity check
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To fix this issue, allow access to IP **169.254.169.254**. For more information, see [Access Azure Instance Metadata Service](../virtual-machines/windows/instance-metadata-service.md#access-azure-instance-metadata-service).
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To fix this issue, allow access to IP **169.254.169.254**. For more information, see [Access Azure Instance Metadata Service][Azure Instance Metadata Service (Windows)](../../virtual-machines/windows/instance-metadata-service.md#azure-instance-metadata-service-windows)
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After the network changes, you can either rerun the Troubleshooter or run the below commands to validate:
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This check determines if the Hybrid Runbook Worker can properly communicate with Azure Automation in the Log Analytics workspace.
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Proxy and firewall configurations must allow the Hybrid Runbook Worker agent to communicate with the registration endpoint. For a list of addresses and ports to open, see [Network planning](../automation-hybrid-runbook-worker.md#network-planning).
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Proxy and firewall configurations must allow the Hybrid Runbook Worker agent to communicate with the registration endpoint. For a list of addresses and ports to open, see [Network planning](../automation-hybrid-runbook-worker.md#a-namenetwork-planninganetwork-planning)
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Fix this issue by allowing the prerequisite URLs. For more information, see [Update Management and Change Tracking and Inventory](../azure/automation/automation-network-configuration#update-management-and-change-tracking-and-inventory).
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Fix this issue by allowing the prerequisite URLs. For more information, see [Update Management and Change Tracking and Inventory](../automation-network-configuration.md#update-management-and-change-tracking-and-inventory)
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Post the network changes you can either re-run the troubleshooter or CURL on provided jrds endpoint.
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### Software Repositories
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Fix this issue by allowing the [prerequisite Repo URL for RHEL](../automation-network-configuration.md#update-management-and-change-tracking-and-inventory).
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Fix this issue by allowing the [prerequisite Repo URL for RHEL](https://learn.microsoft.com/azure/virtual-machines/workloads/redhat/redhat-rhui#troubleshoot-connection-problems-to-azure-rhui)
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Post making Network changes you can either rerun the Troubleshooter or
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Curl on software repositories configured in package manager. Refreshing repos sudo apt-get update would be helpful to confirm the communication as well.
Copy file name to clipboardExpand all lines: articles/automation/troubleshoot/update-agent-issues.md
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### Operating system
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The operating system check verifies whether the Hybrid Runbook Worker is running [one of the supported operating systems](../update-management/operating-system-requirements.md#windows).
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The operating system check verifies whether the Hybrid Runbook Worker is running [one of the supported operating systems](../update-management/operating-system-requirements.md#system-requirements)
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### .NET 4.6.2
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This check determines whether you're using TLS 1.2 to encrypt your communications. TLS 1.0 is no longer supported by the platform. Use TLS 1.2 to communicate with Update Management.
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To fix, follow the steps to [Enable TLS 1.2](../agents/agent-windows?tabs=setup-wizard.md#configure-agent-to-use-tls-12).
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To fix, follow the steps to [Enable TLS 1.2](../../azure-monitor/agents/agent-windows.md#configure-agent-to-use-tls-12)
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## Monitoring agent service health checks
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Check the event id 4502 (error event) in **Operations Manager** event logs and check the description.
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To troubleshoot, run the [MMA Agent Troubleshooter](../azure-monitor/agents/agent-windows-troubleshoot.md).
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To troubleshoot, run the [MMA Agent Troubleshooter](../../azure-monitor/agents/agent-windows-troubleshoot.md).
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### VMs linked workspace
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See [Network requirements](./azure-monitor/agents/agent-windows-troubleshoot.md#connectivity-issues).
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See [Network requirements](../../azure-monitor/agents/agent-windows-troubleshoot.md#connectivity-issues).
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To validate: Check VMs connected workspace or Heartbeat table of corresponding log analytics.
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### Proxy settings
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If the proxy is enabled, ensure that you have access to the [prerequisite URLs](../automation-network-configuration#update-management-and-change-tracking-and-inventory).
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If the proxy is enabled, ensure that you have access to the [prerequisite URLs](../automation-network-configuration.md#update-management-and-change-tracking-and-inventory)
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To check if the proxy is set correctly, use the below commands:
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### IMDS endpoint connectivity
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To fix the issue, allow access to IP **169.254.169.254** </br> For more information see, [access Azure instance metadata service](../virtual-machines/windows/instance-metadata-service.md#access-azure-instance-metadata-service).
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To fix the issue, allow access to IP **169.254.169.254** </br> For more information see, [access Azure instance metadata service](../../virtual-machines/windows/instance-metadata-service.md#access-azure-instance-metadata-service)
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After the network changes, you can either rerun the Troubleshooter or run the below commands to validate:
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```
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Invoke-RestMethod -Headers @{"Metadata"="true"} -Method GET -Uri http://169.254.169.254/metadata/instance?api-version=2018-02-01
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```
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For more information, see [Configure reboot settings](../troubleshoot/automation/update-management/configure-wuagent.md)
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For more information, see [Configure reboot settings](../update-management/configure-wuagent.md#configure-reboot-settings)
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### WSUS Server configuration
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If the environment is set to get updates from WSUS, ensure that it is approved in WSUS before the update deployment. For more information, see [WSUS configuration settings](../troubleshoot/automation/update-management/configure-wuagent.md). If your environment is not using WSUS, ensure that you remove the WSUS server settings and [reset Windows update component](../troubleshoot/windows/deployment/update/windows-update-resources.md)
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If the environment is set to get updates from WSUS, ensure that it is approved in WSUS before the update deployment. For more information, see [WSUS configuration settings](../update-management/configure-wuagent.md#make-wsus-configuration-settings). If your environment is not using WSUS, ensure that you remove the WSUS server settings and [reset Windows update component](https://learn.microsoft.com/windows/deployment/update/windows-update-resources#how-do-i-reset-windows-update-components).
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### Automatically download and install
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To fix the issue, disable the **AutoUpdate** feature. Set it to Disabled in the local group policy Configure Automatic Updates. For more information, see [Configure automatic updates](../troubleshoot/windows-server/administration/windows-server-update-services/deploy/4-configure-group-policy-settings-for-automatic-updates.md)
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To fix the issue, disable the **AutoUpdate** feature. Set it to Disabled in the local group policy Configure Automatic Updates. For more information, see [Configure automatic updates](https://learn.microsoft.com/windows-server/administration/windows-server-update-services/deploy/4-configure-group-policy-settings-for-automatic-updates#configure-automatic-updates).
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