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Set the Minimum PIN Length for Voice Mail

 

Applies to: Exchange Server 2013, Exchange Online

Topic Last Modified: 2013-02-22

You can configure the minimum PIN length for your Outlook Voice Access users who are enabled for Unified Messaging (UM). The PIN settings that you configure on a UM mailbox policy will apply to all UM-enabled users associated with the UM mailbox policy.

Outlook Voice Access is used by UM-enabled users to access their voice mail, email, calendar, and personal contact information located in their mailbox. However, before they can access their mailbox, they must enter a PIN so they can be authenticated by the voice mail system.

noteNote:
If you change the minimum PIN length value, existing Outlook Voice Access users will be prompted to enter a new PIN that contains the new minimum number of digits before they can continue. The default is 6.

For additional tasks related to Outlook Voice Access PIN security, see PIN Security Procedures.

  • Estimated time to complete: Less than 1 minute.
  • You need to be assigned permissions before you can perform this procedure or procedures. To see what permissions you need, see the "UM mailbox policies" entry in the Unified Messaging Permissions topic.
  • Before you perform these procedures, confirm that a UM dial plan has been created. For detailed steps, see Create a UM Dial Plan.
  • Before you perform these procedures, confirm that a UM mailbox policy has been created. For detailed steps, see Create a UM Mailbox Policy.
  • For information about keyboard shortcuts that may apply to the procedures in this topic, see Keyboard Shortcuts in the Exchange Admin Center.
tipTip:
Having problems? Ask for help in the Exchange forums. Visit the forums at: Exchange Server, Exchange Online, or Exchange Online Protection.

  1. In the EAC, navigate to Unified Messaging > UM dial plans.
  2. In the list view, select the dial plan you want to change, and then click Edit Edit Icon.
  3. On the UM dial plan page, under UM Mailbox Policies, select the UM mailbox policy you want to change, and then click Edit Edit Icon.
  4. Click PIN policies, and next to Minimum PIN length, enter a value between 4 and 24.
  5. Click Save.

This example sets the minimum PIN length to 8 digits for Outlook Voice Access users who are associated with the UM mailbox policy named MyUMMailboxPolicy.

Set-UMMailboxPolicy -Identity MyUMMailboxPolicy -MinPINLength 8

This example sets the minimum PIN length to 8 digits and sets the number of times a sign-in can fail before the user's PIN is reset to 3. This applies to UM-enabled users who are associated with the UM mailbox policy named MyUMMailboxPolicy.

Set-UMMailboxPolicy -Identity MyUMMailboxPolicy -LogonFailuresBeforePINReset 3 -MinPINLength 8
 
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