Performance Threshold Rules

Applies To: Operations Manager 2007

The following rules threshold ranges represent the recommended minimum and maximum values for the Active Directory Lightweight Directory Services (AD LDS) Management Pack rules.

Service Instance Rules Threshold values Ranges

Memory Usage
Values are in Kilobytes (KB)

  • Warning Threshold: 50,000 (50 MB)

  • Error Threshold: 100,000 (100 MB)

  • Green: [Value] < Warning Threshold

  • Yellow: Warning Threshold <= [Value] < Error Threshold

  • Red: Error Threshold <= [Value]

Database Drive Free Space
Values are in Kilobytes (KB)

  • Warning Threshold: 8,000,000 (8 GB)

  • Error Threshold: 2,000,000 (2 GB)

  • Green: [Value] > Warning Threshold

  • Yellow: Warning Threshold >= [Value] > Error Threshold

  • Red: Error Threshold >= [Value]

Log Drive Free Space
Values are in Kilobytes (KB)

  • Warning Threshold: 8,000,000 (8 GB)

  • Error Threshold: 2,000,000 (2 GB)

  • Green: [Value] > Warning Threshold

  • Yellow: Warning Threshold >= [Value] > Error Threshold

  • Red: Error Threshold >= [Value]

LDAP (Non-SSL) Bind Time
Values are in seconds

Warning Threshold: 3

  • Green: [Value] < Warning Threshold

  • Yellow: Warning Threshold <= Warning Threshold

LDAP (SSL) Bind Time
Values are in seconds

Warning Threshold: 3

  • Green: [Value] < Warning Threshold

  • Yellow: Warning Threshold <= Warning Threshold

Service Instance Role Seed Rules Threshold Values Ranges

Disk I/O
Values are in Operations per Second

Threshold: 50

  • No Alert: [Value] < Threshold

  • Alert Generated: Threshold <= [Value]

Application Partition Instance Rules Threshold Values Ranges

LDAP (Non-SSL) Bind Time
Values are in seconds

Warning Threshold: 3

  • Green: [Value] < Warning Threshold

  • Yellow: Warning Threshold <= Warning Threshold

LDAP (SSL) Bind Time
Values are in seconds

Warning Threshold: 3

  • Green: [Value] < Warning Threshold

  • Yellow: Warning Threshold <= Warning Threshold

Replication Monitoring (Update)
Values are in hours

Threshold: 24

  • No Alert: [Value] > Threshold

  • Alert Generated: Threshold >= [Value]

Replication Monitoring (Inter-site Latency)
Values are in minutes

Threshold: 15

  • No Alert: [Value] > Threshold

  • Alert Generated: Threshold >= [Value]

Replication Monitoring (Intra-site Latency)
Values are in minutes

Threshold: 5

  • No Alert: [Value] > Threshold

  • Alert Generated: Threshold >= [Value]

Client Perspective Rules Threshold Values Ranges

Disk I/Os per second
Values are in seconds

Warning Threshold: 3

  • Green: [Value] < Warning Threshold

  • Yellow: Warning Threshold <= Warning Threshold

LDAP (SSL) Bind Time
Values are in seconds

Warning Threshold: 3

  • Green: [Value] < Warning Threshold

  • Yellow: Warning Threshold <= Warning Threshold