how to change Exchange OWA concurrent connection

The Exchange Client Throttling Policies only can be changed via powershell. To change the OWA concurrent connection we can use the below command.

Set-ThrottlingPolicy -Identity DefaultThrottlingPolicy_0333f596-4e99-435b-aa0c-2723ff3af6fe �COWAMaxConcurrency1000

To view all the Throttling Policies settings, you can use “Get-ThrottlingPolicy” command

Understanding Client Throttling Policies

http://technet.microsoft.com/en-us/library/dd297964.aspx

Set-ThrottlingPolicy

http://technet.microsoft.com/en-us/library/dd298094.aspx