- %Processor Time: < 75% (average)
- Processor Queue Length < 5
- Memory Available > 100 MB
- Memory Transition Pages/Sec < 100, spikes < 1000
- Memory Page Reads/Sec < 100
- .net clr mem% time in Global Catalog < 10%
- TCPv4 /v6 connection resets should be low
- LDAP time < 50 ms, max < 100ms
Additional Counters for CAS
- OWA average search time < 5000ms
- ASP.net App restarts / Worker process restarts / request wait = 0
- RPC Client Access / Latency < 250ms
- RPC Client Backoff /sec = low numbers, should no increase
Additional Counters for Hub Transport:
- Average Disk Reads/Sec < 20ms, spike < 50
- Average Disk Writes/Sec < 20 ms, spike < 50
- Aggregate Delivery Queue Length < 3000, spike < 5000
- Remote Delivery < 250
- Submission Queue < 100
- Retry Delivery Queue <100
- Largest Delivery Queue < 200
Additional Counters for Mailbox:
- I/O reads avg latency < 20ms < 100ms
- Page faults stalls/sec 0 (disk I/O)
- RPC requests < 60
- RPC avg latency < 10ms
- Database Instances / Log gen check < 500, 20-30 per DB
Additional Counters for UM:
- Message success processed /hour > 95%
- Call answer queued messages < 50
- Direct access failures =0
- Operations > 6 seconds =0
