correct, let say i took UCM snapshot  and restore the snapshot.   after that , do i need to remove ITL for each phone to be registered ? ... View more

hi Leonardo,   I suggest that you have the backup of your collab enviroment updated -----> if I have UCM backup , do I still need to physically remove ITL when i need to roll back?   Rgds, T ... View more

Hi Leonardo,   Thanks, much appreciated , this is very clear.   - what you mean by mapping out environment ?   You mean feature we used in UCM ? - Also I have Jabber MRA (Expressway), IMP, UCCX, Unity, Media Sense, CER.     * Is there anything break if I update each apps' certs  at different time?     * Do I need to do all UC apps above at the same window?   -  I have "Tomcat" certs on UCM that is signed by CA Windows Server, any specific process when  i request CSR and apply?   - In case something went sideway , what I need to backup before hand for ITL /TVS , when TAC need to restore?   Thanks,       ... View more

thanks, I read these docs already before i posted question.   But what i look for if someone had experienced before and able to answer  from practical perspective.   * what is the impact if I let it expired ? * Which order I need to do it first ? How many hours it take , we have 1 Pub and 5 Subs, 2 TFTP, 10,000 phones * What tool to check and delete ITL remotely ? * If I don't restart phone after "Call Manager" cert regenerate, will phone still registered? * if I don't use Mixed mode, means no need to worry on TVS and CAPF ? ... View more