Applies to: Exchange Server 2013, Exchange Online
Topic Last Modified: 2013-02-22
When Outlook Voice Access users dial in to an Outlook Voice Access number, they're prompted to enter their PIN so that the voice mail system can authenticate them. After they're authenticated, they can access the voice mail, email, calendaring, and personal contact information in their mailbox from any telephone.
Several PIN-related settings can be configured on a Unified Messaging (UM) mailbox policy. The PIN recycle count setting specifies the number of unique PINs users must use before they can reuse an old PIN. You can set the value of this setting between 1 and 20. For most organizations, this value should be set to 5 PINs, which is the default. Setting this value too high can frustrate users because it can be difficult for users to create and memorize many PINs. Setting it too low may introduce a security threat to your network.
|The PIN recycle count can't be disabled.|
For additional tasks related to Outlook Voice Access PIN security, see PIN Security Procedures.
What do you need to know before you begin?
- 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
- Before you perform these procedures, confirm that a UM dial
plan has been created. For detailed steps, see Create a UM Dial
- Before you perform these procedures, confirm that a UM mailbox
policy has been created. For detailed steps, see Create a UM Mailbox
- For information about keyboard shortcuts that may apply to the
procedures in this topic, see Keyboard Shortcuts in
the Exchange Admin Center.
What do you want to do?
Use the EAC to change the PIN recycle count
- In the EAC, navigate to Unified Messaging > UM
- In the list view, select the dial plan you want to change, and
then click Edit .
- On the UM dial plan page, under UM Mailbox
Policies, select the UM mailbox policy you want to change, and
then click Edit .
- Click PIN policies, and next to PIN recycle
count, enter a value between 1 and 20.
- Click Save.
Use the Shell to change the PIN recycle count
This example sets the PIN recycle count on the UM
MyUMMailboxPolicy to 10.
Set-UMMailboxPolicy -Identity MyUMMailboxPolicy -PINHistoryCount 10