==== REQUIRED BASIC INFO OF YOUR IREDMAIL SERVER ====
- iRedMail version (check /etc/iredmail-release): 0.9.6
- Deployed with iRedMail Easy or the downloadable installer? deployed by IRedMail technical team
- Linux/BSD distribution name and version:  CentOS 7.3
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): MySQL
- Web server (Apache or Nginx): Nginx
- Manage mail accounts with iRedAdmin-Pro? yes
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
====

we have two mail server, setup as master/slave. all data is replicated to slave. if i try to reset password  for a user account from slave server portal, the following error is displayed.

Error: {'info': 'shadow context; no update referral', 'desc': 'Server is unwilling to perform'}