Primary Active Directory is down and need to configure secondary AD

Products

• CA Single Sign On Secure Proxy Server (SiteMinder)
• AXIOMATICS POLICY SERVER
• CA Single Sign On SOA Security Manager (SiteMinder)
• CA Single Sign-On

Issue/Introduction

We're running Active Directory as Primary User Store Server. But thisone went down and we'd like to
configure a Second Active Directory. We'd like to know how can we build a second User Store on Active Directory ?

Environment

Release: MSPJBO99000-12.52-Single Sign-On-Agent for JBoss-for MSP
Component:

Resolution

To configure the second Active Directory as backend LDAP Server, you
need to make the second as replication of the first. To do this,
please consult your Active Directory team or Microsoft. Then, if you
need to configure Active Directory as Policy or User Store, you need
to follow our documentation :

Configure an Active Directory User Store Connection 
https://docops.ca.com/ca-single-sign-on/12-52-sp1/en/configuring/policy-server-configuration/user-directories/configure-an-active-directory-user-store-connection