Matt Abramson Premier Field Engineer

Matt AbramsonPremier Field Engineer

Active Directory Operational Monitoring

Agenda

Why is monitoring important?What should I be monitoring?

Active Directory ReplicationDNSDomain Controller HealthSYSVOL ReplicationTime Synchronization

Why is monitoring important?

• To stay ahead of and avoid potentially critical outages or service interruptions

• To be aware of changes in the operational state of your environment

• To provide peace of mind and assurance knowing that services and applications are functioning properly

• Having a good understanding of monitoring tasks and current operational states can ease administration and troubleshooting

What should I be monitoring?- AD Replication

• Replication Health

• Replication Link Health

• AD Directory Service Health

Repadmin /Replsum

Repadmin /Showrepl

Directory Services Event log

AD is the foundation of your house, make sure its solid!

What should I be monitoring?

AD Replication, Continued

What should I be monitoring?

AD Replication, Continued

What should I be monitoring? DNS

• DNS Health

• DNS Service Health

Dcdiag /test:DNS

DNS Event log

Most AD related failures are due to DNS issues

What should I be monitoring?

DNS, Continued

What should I be monitoring?Domain Controller Health

• Domain Controller Health

Dcdiag

System Event log

What should I be monitoring? DC Health,

Continued

What should I be monitoring?SYSVOL Replication

• SYSVOL replication NTFRSUTILSonarUltrasound – for FRSDFSRDiag – for DFS-RDFS Management UI

FRS or DFS-R Event log

Failing SYSVOL Replication can result in Group Policy irregularities

What should I be monitoring?, SYSVOL Replication – Cont.

What should I be monitoring?, SYSVOL Replication – Cont.

What should I be monitoring?Time Services Health

• Monitor Forest Time W32tm.exe /monitor

System Event log

What should I be monitoring?, Time Services

Health – Cont.

Q u e s t i o n s ?

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