The Minimum Number of Character Changes between Successive Credentials setting applies to web application passwords only, not phone PINs, and defaults to 1.
Checked 2026-10-02
- Vendor
- Cisco
- Product
- Cisco Unity Connection
- Subsystem
- authentication rules
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Release 15 docs current as of 2026-10-02
- Checked
- 2026-10-02
Sources
- Security Guide for Cisco Unity Connection Release 15 - Passwords, PINs, and Authentication Rule Management — Cisco Systems · tier 2 current vendor documentation · section: Defining Authentication Rules to Specify Password, PIN, and Lockout Policies (Minimum Number of Character Changes)
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting Unity Connection voicemail login and PIN failures: source note unity-connection-login-troubleshooting-char-changes-web-only. WarmTransfer. https://warmtransfer.net/knowledge/claims/unity-connection-login-troubleshooting-char-changes-web-only
BibTeX
@misc{warmtransfer-claim-unity-connection-login-troubleshooting-char-changes-web-only,
title = {Troubleshooting Unity Connection voicemail login and PIN failures: source note unity-connection-login-troubleshooting-char-changes-web-only},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/unity-connection-login-troubleshooting-char-changes-web-only},
note = {Source note unity-connection-login-troubleshooting-char-changes-web-only, checked 2026-10-02}
}