How to Modify Queue Viewer Refresh Rate Settings
The Settings option allows to you determine the frequency at which the all the queues are refreshed. The default rate at which the queues are refreshed is every 2 minutes. You can set the refresh rate to 1 minute, 5 minutes, 10 minutes, or Never refresh.
To modify Queue Viewer refresh rate settings
Start Exchange System Manager: Click Start, point to All Programs, point to Microsoft Exchange, and then click System Manager.
Navigate to Queue Viewer by performing one of the following steps:
If you do not have routing or administrative groups defined: Expand Servers, expand the server you want, and then click Queues.
If you have administrative groups defined: Expand Administrative Groups, expand <Administrative Group Name>, expand Servers, expand the server you want, and then click Queues.
In the details pane, click Settings.
In Settings, in the Refresh queue rate list, select the refresh rate you want.