PIN security procedures in Exchange Server
Applies to: Exchange Server 2013, Exchange Server 2016
Set Outlook Voice Access PIN policies
Retrieve voice mail PIN information
Include text with the email message sent when a PIN Is reset
Set the minimum PIN length for voice mail
Set the PIN lifetime for voice mail
Set the number of previous voice mail PINs to recycle
Disable common PIN patterns for voice mail
Enable common PIN patterns for voice mail
Set the number of sign-in failures before a voice mail PIN is reset
Set the number of sign-in failures before a voice mail user Is locked out