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Troubleshooting Autodiscover.Protocol Health Set

 

Applies to: Exchange Server 2013

Topic Last Modified: 2013-02-11

The Autodiscover.Protocol health set monitors the Autodiscover communications protocol on the Mailbox server.

If you receive an alert that specifies that Autodiscover.Protocol is unhealthy, this indicates an issue that may prevent users from accessing their mailboxes.

The Autodiscover.Protocol service is monitored by using the following probes and monitors.

 

Probe Health Set Dependencies Associated Monitors

AutodiscoverSelfTestProbe

Autodiscover.Protocol

Active Directory

AutodiscoverSelfTestMonitor

For more information about probes and monitors, see Server health and performance.

This probe can fail for any of the following common reasons:

  • The Autodiscover application pool (MSExchangeAutodiscoverAppPool) that is hosted on the monitored Client Access server (CAS) is not responding. Or, the Autodiscover application pool that is hosted on one or more Mailbox servers is not responding.

  • The Domain Controllers are not responding.

It's possible that the service recovered after it issued the alert. Therefore, when you receive an alert that specifies that the health set is unhealthy, first verify that the issue still exists. If the issue does exist, perform the appropriate recovery actions outlined in the following sections.

  1. Identify the health set name and the server name in the alert.

  2. The message details provide information about the exact cause of the alert. In most cases, the message details provide sufficient troubleshooting information to identify the root cause. If the message details are not clear, do the following:

    1. Open the Exchange Management Shell, and then run the following command to retrieve the details of the health set that issued the alert:

      Get-ServerHealth <server name> | ?{$_.HealthSetName -eq "<health set name>"}
      

      For example, to retrieve the Autodiscover.Protocol health set details about server1.contoso.com, run the following command:

      Get-ServerHealth server1.contoso.com | ?{$_.HealthSetName -eq "Autodiscover.Protocol"}
      
    2. Review the command output to determine which monitor reported the error. The AlertValue value for the monitor that issued the alert will be Unhealthy.

    3. Rerun the associated probe for the monitor that’s in an unhealthy state. Refer to the table in the Explanation section to find the associated probe. To do this, run the following command:

      Invoke-MonitoringProbe <health set name>\<probe name> -Server <server name> | Format-List
      

      For example, assume that the failing monitor is AutodiscoverSelfTestMonitor. The probe associated with that monitor is AutodiscoverSelfTestProbe. To run that probe on server1.contoso.com, run the following command:

      Invoke-MonitoringProbe Autodiscover.Protocol\AutodiscoverSelfTestProbe -Server server1.contoso.com | Format-List
      
    4. In the command output, review the Result value of the probe. If the value is Succeeded, the issue was a transient error, and it no longer exists. Otherwise, refer to the recovery steps outlined in the following sections.

When you receive an alert from a health set, the email message contains the following information:

  • Name of the Mailbox server that sent the alert

  • Name of Mailbox server being monitored

  • Time and date when the alert occurred

  • Authentication mechanism used, and credential information

  • Full exception trace of the last error, including diagnostic data and specific HTTP header information

You can use the information in the full exception trace to help troubleshoot the issue. The exception generated by the probe contains a Failure Reason that describes why the probe failed.

To troubleshoot this issue, follow these steps:

  1. Review protocol logs on the Mailbox servers. By default, Protocol log files on the Mailbox server are located in the <exchange server installation directory>\Logging\Autodiscover folder.

  2. Create a test user account, and then log on to the Mailbox server by using the test user account in the address. For example, log on by using: https://<servername>:444/autodiscover/autodiscover.xml.

    If the test user account name passes, an issue may affect the mailbox server that’s hosting the monitored mailbox.

  3. Try to repeat the previous steps by using a test account on the Mailbox server.

  4. Check for alerts on the Autodiscover.Proxy Health Set that may indicate an issue that affects a specific Mailbox server. For more information, see Troubleshooting Autodiscover.Proxy Health Set.

  5. Check for alerts on the Autodiscover Health Set that may indicate a problem that affects specific Mailbox servers. For more information, see Troubleshooting Autodiscover Health Set.

  6. Start IIS Manager, and then connect to the Mailbox server that is reporting the issue. Verify that the MSExchangeAutodiscoverAppPool application pool is running on the Mailbox server.

  7. In IIS Manager, click Application Pools, and then recycle the MSExchangeAutodiscoverAppPool application pool by running the following command from the Shell:

    %SystemRoot%\System32\inetsrv\Appcmd recycle MSExchangeAutodiscoverAppPool
    
  8. Rerun the associated probe as shown in step 2c in the Verifying the issue still exists section.

  9. If the issue still exists, recycle the IIS service using the IISReset utility or by running the following command:

    Iisreset /noforce
    
  10. Rerun the associated probe as shown in step 2c in the Verifying the issue still exists section.

  11. If the issue still exists, restart the server.

  12. After the server restarts, rerun the associated probe as shown in step 2c in the Verifying the issue still exists section.

  13. If the probe continues to fail, you may need assistance to resolve this issue. Contact a Microsoft Support professional to resolve this issue. To contact a Microsoft Support professional, visit the Exchange Server Solutions Center. In the navigation pane, click Support options and resources and use one of the options listed under Get technical support to contact a Microsoft Support professional. Because your organization may have a specific procedure for directly contacting Microsoft Product Support Services, be sure to review your organization's guidelines first.

 
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