How can I monitor and troubleshoot Active Directory performance problems?

Here we can see, “How can I monitor and troubleshoot Active Directory performance problems?”

Active Directory is being monitored.

  • AD monitoring is the process of analyzing an AD environment using various technologies to minimize and resolve issues that affect the entire service directory in a Windows domain network.
  • Typically, Microsoft’s built-in System Center Operations Manager is used to monitor AD (SCOM).
  • With the help of additional management packs, SCOM can monitor AD components and services.
  • SCOM is a strong tool, but it is limited to Windows settings and can be difficult to set up and run.
  • Third-party monitoring programs provide additional monitoring capabilities that aren’t always available in SCOM.
  • These tools also enable other administration skills, which are not limited to a single operating system.

Monitoring of Active Directory Performance in General

The first step in resolving Active Directory performance issues is to identify the problem before it occurs. You deploy three proactive monitors that operate as early warning indications of poor Active Directory performance by developing the SiteScope Active Directory solution templates:

  • The Active Directory Replication Monitor is a tool that helps you keep track of your Active Directory.
  • The Domain Controller’s Active Directory Response Time measurement is monitored via the Advertised monitor.
  • The Active Directory GC Search Response Time monitor shows how long it takes for a search to return results.

Troubleshooting techniques for Active Directory difficulties

Replication Issues with Active Directory

Replication is critical when it comes to or more domains or domain controllers in Active Directory, whether they belong to the same site or distinct ones.

Changes in Active Directory are synced with other domain controllers in an Active Directory forest using Active Directory replication.

Replication must take place on the local site and other sites to ensure that all domain and forest data is consistent across all domain controllers.


Locked User Accounts

Account lockouts can occur for a variety of reasons. Even if a SysAdmin changes the password, the account may be locked out again very quickly.

Both users and admins may find this exceedingly aggravating. The difficulty is sometimes worsened by the fact that the cause of lockouts is unknown. When an automated script or process is configured to use a user account for performing a task (e.g., backing up a file), the account used can be locked out if the script has not been updated with the most recent password.

Issues Concerning Group Policy

System administrators will find Group Policy a very useful tool because it allows them to centrally define and deploy just about anything in an Active Directory environment.

In an Active Directory context, some typical Group Policy concerns include:

  • Group Policies aren’t being applied the way they should be.
  • Group policies are being implemented, but they are not performing as planned.
  • Loops in Group Policies cause processing to be delayed.
  • When the infrastructure changes, group policies that have not been modified are no longer valid (i.e., a policy that tries to mount a drive that no longer exists)
  • Due to slow network connections, several group policies are not implemented.
  • Redirections to strange folders

Problems with DNS and DHCP

In all IT networks, DHCP and DNS are two of the most important services. A DHCP server is in charge of handling IP addresses assigned dynamically to servers and clients to communicate.

The following are some of the most typical DNS issues seen by SysAdmins:

  • The configuration of the forwarder is incorrect.
  • DNS name registration error
  • Delegation of AD DNS domains incorrectly.
  • Domain controllers, global catalogs, and the DNS are all out of sync.
  • The AD site infrastructure is incoherent.

Problems with the Active Directory Database

The key to the domain controller’s speed is to keep the AD database as small as possible, especially on hardware that can no longer be upgraded and on Windows Server installations that can’t support more CPUs or RAM.

While big Active Directory databases have expanded consistently over time, the inclusion of new capabilities may result in unexpected and rapid expansion. Without adequate preparation, storing user photographs and BitLocker recovery information in Active Directory might cause the Active Directory’s performance to deteriorate quickly.

It’s critical to keep track of the AD database’s storage consumption and connectivity to ensure that everything runs well.


I hope you found this helpful guide. If you have any questions or comments, don’t hesitate to use the form below.

User Questions:

What is the cause of Active Directory’s sluggishness?

The sluggish response could be caused by several factors, including DNS misconfiguration, NIC binding issues, server performance issues, AV scanning delays, ad database corruption, and the presence of a third-party program on the server. To begin, make sure the DNS settings on the server are right, as shown below.


How can I know if Active Directory is up and running?

The console program Dcdiag is the best approach to verify Active Directory’s functionality (Domain Controller Diagnosis). Dcdiag runs a series of tests to ensure that AD is functioning properly. If Dcdiag indicates a failed test, you’ll need to investigate the issue with your domain controller.

What happens if Active Directory doesn’t work properly?

Simply put, it signifies that the directory service’s local Active Directory database can no longer be read. Any directory-dependent services and logon and authentication will be disabled as a result of this. It effectively deactivates the domain controller (DC).

What are the most prevalent Active Directory issues?

  1. Issues with Active Directory Replication
  2. Lockouts of user accounts.
  3. Issues with Group Policy
  4. Issues with DNS and DHCP.
  5. Roles of the FSMO
  6. Logon failures.
  7. Problems with the Active Directory database.
  8. Kerberos Problems

What is the best way to test AD connectivity?

  • Your company.local is the internal domain name.
  • Server.yourcompany.local is the name of the domain controller server.
  • Code for LDAP port: default (389)
  • The host address/name: server.yourcompany.local can be resolved by the Beamer server. The ping command, for example, can be used to verify this: ping server.yourcompany.local.

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