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Active Administrator 8.5 - User Guide

Active Administrator Overview Certificates Security & Delegation  Active Directory Health
Switching to Active Directory Health Using the Active Directory Health landing page Installing Active Directory Health Analyzer agents Using the Active Directory Health Analyzer agent configuration utility Excluding domain controllers Managing the Remediation Library Analyzing Active Directory health Analyzing Azure Active Directory Managing Active Directory Health Analyzer alerts Managing alert notifications Pushing alerts to System Center Operations Manager and SNMP managers Managing monitored domain controllers Managing data collectors Active Directory Health Templates Managing Active Directory Health Analyzer agents Using the Troubleshooter Recovering Active Directory Health data
Auditing & Alerting Group Policy Active Directory Recovery Active Directory Infrastructure DC Management DNS Management Configuration
Using the Configuration landing page Managing tasks Defining role-based access Setting email server options Configuring SCOM and SNMP Settings Setting notification options Setting Active Template options Setting agent installation options Setting recovery options Setting GPO history options Setting certificate configuration Setting service monitoring policy Managing archive databases Migrating data to another database Setting a preferred domain controller Setting up workstation logon auditing Managing configuration settings Setting user options Managing the Active Directory server
Diagnostic Console Alerts Appendix
Domain controller alerts
Active Directory Certificate Services service is not running Active Directory Domain Services is not running Active Directory Web Services service is not running Consecutive replication failures DC cache hits DC DIT disk space DC DIT log file disk space DC LDAP load DC LDAP response too slow DC Memory Usage DC properties dropped DC RID pool low DC SMB connections DC SYSVOL disk space DC time sync lost Detected NO_CLIENT_SITE record DFS Replication service not running DFS service is not running DFSR conflict area disk space DFSR conflict files generated DFSR RDC not enabled DFSR sharing violation DFSR staged file age DFSR staging area disk space DFSR USN records accepted DFSRS CPU load DFSRS unresponsive DFSRS virtual memory DFSRS working set DNS Client Service is not running Domain controller CPU load Domain controller page faults Domain controller unresponsive File Replication Service is not running File replication (NTFRS) staging space free in kilobytes GC response too slow Group policy object inconsistent Hard disk drive Intersite Messaging Service is not running Invalid primary DNS domain controller address Invalid secondary DNS domain controller address KDC service is not running LSASS CPU load LSASS virtual memory LSASS working set Missing SRV DNS record for either the primary or secondary DNS server NETLOGON not shared NetLogon service is not running Orphaned group policy objects exist Physical memory Power supply Primary DNS resolver is not responding Secondary DNS resolver is not responding Security Accounts Manager Service is not running SRV record is not registered in DNS SYSVOL not shared W32Time service is not running Workstation Service is not running
Domain alerts Site alerts Forest alerts Azure Active Directory Connect alerts
Event Definitions PowerShell cmdlets

Managing agent workload

As domain controllers are added, removed, started, or stopped, the agent pool automatically redistributes the workload. A workload evaluation is run every 24 hours automatically, but you can trigger it manually as well. You may find you need to add more agents to the pool to help with the workload. See Installing Active Directory Health Analyzer agents into a pool.

To run a workload evaluation
1
Select Active Directory Health | Agents.
2
Open the Analyzer Agents tab.
3
Click Workload Details.
The agents and the number of domain controllers monitored by the agent display along with their status and time stamp of the last evaluation.
•
If you want to send notifications when a load evaluation occurs, click Agent Notifications.
•
To view the domain controllers that an agent is monitoring, click Agent Details.
4
Click Evaluate Agent Load.
A message displays stating an evaluation will begin in one minute.

Sending agent notifications

By default, an email notification is sent when an agent goes into a critical state, a stopped state, and when the agent has recovered. You also can select to send an email notification when the agent goes into a warning state or when an agent workload evaluation is performed, which occurs if a load-balancing agent cannot recover.

To manage agent notification
1
Select Active Directory Health | Agents.
2
Open the Analyzer Agents tab.
3
Select More | Agent Notifications.
* 
NOTE: For load-balancing agents, you also can set agent notifications by selecting Workload Details | Agent Notifications.
4
By default, agent notifications are enabled. Clear the check box to disable notifications.
5
Select the status of the agent to trigger the email notification.
* 
NOTE: For stand-alone agents, if the Load Evaluation check box is selected, a notification is not sent because load balancing does not occur.
6
Click Add to add an email address to the list of recipients for the email notifications. You can edit a selected address or remove selected addresses from the list.
 
* 
NOTE: You also can manage the DA Agent Notification Settings email address list from the Settings menu. See Managing email addresses.
7
Click OK.

Monitoring agent performance

You can monitor the memory and CPU usage of Active Directory Health Analyzer agents. In addition, performance monitoring displays properties about the selected agent to help you maintain agent health.

Topics:

•
Viewing agent performance
•
Viewing agent performance

Setting up performance monitoring

To set up agent performance monitoring
1
Select Active Directory Health | Agents.
2
Open the Analyzer Agents tab.
3
Select More | Agent Performance Settings.
4
By default, monitoring is enabled. To disable monitoring, clear the check box.
5
Set the limit for average memory usage. The default setting is 800 MB. The lowest value is 200 MB.
6
Set the limit for average CPU usages. The default is 80 percent. The lowest value is 20%.
7
By default, the agent is restarted automatically if a performance issue is detected. To disable automatic restart, clear the check box.
8
By default, performance history is saved to a file in C:\ActiveAdministrator\DACache\AgentPerformance. To disable performance history, clear the check box. You also can change the number of days performance history is kept.
9
By default, a daily performance report is sent to the Active Administrator owner. The report contains the average values for CPU usage, memory usage, data points, errors, warnings, restarts, and work load; and indicates if an update is required. To disable the report, clear the check box. You can add more email addresses and set the start time for data collection.
 
* 
NOTE: To manage the DA Agent Daily Performance email address list, see Managing email addresses.
10
Click OK.
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