ip address will not save in SmartPSS

I have 16 DVR's (not NVR's) in SmartPSS. We recently changed our network configuration and therefore each DVR was assigned a new (static) ip address. I add each one either with Manual Add (by entering ip address, port, UN/PW) or by using AutoSearch. Either way, all the DVR's show up in the list and are online. However when I close SmartPSS and reopen it, the ip address in the SmartPSS software (NOT in the DVR) has reverted to the previous ip address assigned to each DVR. Note that the...

ip address will not save in SmartPSS