Please update if anyone could help.
you can use tssh commands. For example:
tssh properties set bmc.sso.servername %YOUR_SERVER_NAME%
This will help to update in Disaster Recovery RSSO Field update that was updated to Production when restore backup from production.
On the TSPS Server, run the following commands:
tssh properties set bmc.sso.servername <FQDN of new SSO>
tssh properties set bmc.sso.password <new password> encrypt
tssh properties reload
NOTE: On TSPS versions earlier than 10.5 the encrypt option for entering the amadmin password will not work. Please raise a Support Case to request an encrypted password from Customer Engineering.
Due to defect QM001960275, also manually change the FQDN reference of TrueSight_sso_hostname in the file: %TRUESIGHTPSERVER_HOME%\TrueSightPServerInstalledConfiguration.xml. <name>TrueSight_sso_hostname</name> <value>host123.acme.com</value>
Stop/restart TSPS server