Applies to: Exchange Server 2010 SP3, Exchange Server 2010 SP2

Topic Last Modified: 2012-07-23

You can specify the number of sequential unsuccessful sign-in attempts that are allowed before a caller is disconnected. The value of this setting can be from 1 through 20. Setting this value too low can frustrate users. For most organizations, this value should be set to the default of three attempts.

Looking for other management tasks related to UM dial plans? Check out Managing UM Dial Plans.

Prerequisites

A UM dial plan has been created. For detailed steps, see Create a UM Dial Plan.

Use the EMC to configure the number of sign-in failures before users are disconnected

You need to be assigned permissions before you can perform this procedure. To see what permissions you need, see the "UM dial plans" entry in the Unified Messaging Permissions topic.

  1. In the console tree, navigate to Organization Configuration > Unified Messaging.

  2. In the work pane, on the UM Dial Plans tab, select the UM dial plan you want to manage, and then click Properties in the action pane.

  3. On the dial plan Properties page, click the Settings tab.

  4. Under Logon failures before disconnect, enter the number of sequential unsuccessful sign-in attempts that are allowed before a caller is disconnected.

  5. Click OK to save your changes.

Use the Shell to configure the number of sign-in failures before users are disconnected

You need to be assigned permissions before you can perform this procedure. To see what permissions you need, see the "UM dial plans" entry in the Unified Messaging Permissions topic.

This example sets the number of sign-in failures before users are disconnected to 5 for a UM dial plan named MyUMDialPlan.

Copy Code
Set-UMDialPlan -identity MyUMDialPlan -LogonFailuresBeforeDisconnect 5

For more information about syntax and parameters, see Set-UMDialplan.

Other Tasks

After you've configured the number of sign-in failures before users are disconnected on a dial plan, you may also want to: