To perform this procedure, the account you use must be delegated membership in the local Administrators group.

1. To start Windows Reliability and Performance Monitor, click Start, click Run, and then type perfmon.
   
   
2. In the console tree, navigate to Monitoring Tools > Performance Monitor.
   
   
3. Click the plus sign (+) button on the toolbar. The Add Counters dialog box appears.
   
   
4. From the Select counter from computer list, select one of the following options:
   
   
   • If you are performing this procedure on a local computer, select <Local computer>. This is the default selection.
     
     
   • If you are performing this procedure remotely, select the server you want to monitor.
     
     
5. In the list of performance counters, expand MSExchange Assistants - Per Database or the MSExchange Managed Folder Assistant.
   
   
6. Select the performance counters you want to monitor.
   
   
7. For performance counters under MSExchange Assistants - Per Database, to view the counters for all mailbox databases, in Instances of selected object, click All instances. Or, to specify one or more mailbox databases, select instances from the list.
   
   
8. To add the selected counters so that the counters appear in Windows Reliability and Performance Monitor, and to begin collecting performance data, click Add.