Hi Luc, Please see my answers below
diagram of your uim environment
Q.is your uim primary hub monitoring robots or is this done by connected hubs?
A.Yes, Primary Hub monitoring robot
Q.physical server - vmware?
A.Physical
Q.backup software? (what are the normal procedures for other production servers in case of crash)
A.like in ca servicedesk, we take full backup of mdb and take backup of customization folder also.
Q.how many time you have to rebuild a new uim server?
A.Not yet, customer just ask to do this.
Q.do you have an empty server with uim pre-installed ready in case of crash of the primary?
A.Not yet, will make it