There isn't much detail here but gues VM's shouldn't be impacted here. There might be guest network interruptions when upgrading the routers (assuming advanced zone here). Hope that helps...
Ahmad E > On Feb 23, 2015, at 1:46 AM, kangkan mahanta <kangkan.maha...@gmail.com> > wrote: > > Hi, > > We are using cloudstack private cloud infra. We want to upgrade from > version 4.2.1 to 4.4. Please let me know the impact on running virtual > machines during the activity. > > Regards, > Kangkan Mahanta Kashyap
