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Exchange performance monitoring
13 Dell EMC PowerVault ME4 Series and Microsoft Exchange Server 2016 | 3925-BP-EX
3 Exchange performance monitoring
Performance Monitor is a helpful tool for monitoring the overall operations of Exchange server. A number of
specific counters are good indicators of performance bottlenecks. The performance counters listed in Table 4
are helpful in monitoring and troubleshooting. The thresholds provided are based on standard industry
guidance.
By default, the real-time view of Performance Monitor shows the last 1:40 (1 minute, 40 seconds), measuring
every two seconds and taking the average of the current measurement and last measurement.
If a performance issue is suspected, it is a good idea to set up Performance Monitor to record key counters
during the period of peak usage when the problem occurs.
Performance counters in Performance Monitor
Physical disk counters
Memory counters
Exchange counters
Avg. Queue Length
Available MBytes
MSExchangeIS Store –
RPC Average Latency
Avg. Disk Sec/Transfer
Pages/sec
Database - Database Cache
% Hits
Disk Transfers/sec
Processor counters
% Disk Idle
% Processor Time
Avg. Disk Bytes/Transfer
Network counters
Avg. Disk Sec/Read
Bytes Total/sec
Avg. Disk Sec/Write
3.1 Monitoring the database defragmentation process
In Exchange Server 2016, the following performance counters for monitoring the behavior of database
defragmentation have been added for use with Performance Monitor:
Database ==> Instances \ Defragmentation tasks: This shows the background database defragmentation
tasks that are currently executing.
Database ==> Defragmentation Tasks Pending: This shows the background database defragmentation
tasks that are currently pending
Database ==> Instances \ Database Maintenance Duration: This shows the number of hours that have
passed since maintenance last completed for this database.
Database ==> Instances \ Database Maintenance Pages Bad Checksums: This shows the number of non-
correctable page checksums encountered during a database maintenance pass.