prereq for vmotion-->vmkernal network configuredshared storagelicensevm should be configure for vmotionnic should be min 1 GB if RDM , des server shoukd have acces to thatprocessor compatiblity##################################why to do v2v migration-->we d v2v migration when we are migrating vm from 1 hyper to otherfor examp;le migrating vm fromvmware workstation to vmware esx/esxi########################################prereq of p2v and v2v-->Decide on Hot OR cold.. If its AD, Mail or database server go for coldFor ad its recomended to create sep vm and promote it as a Dc and then deolish old ADIf server is having serial port , still p2v is possible but vm will reside on esx having serial portIf server havinf parralel device attached , thev converted Vm will reside on esx server havinf parallel device attached to it if physical server using usb device then u have to use usb anywgere which will allow usb to work up on networkcheck if enough of disk space is there for vmcheck if enough of memory is there check if enough of cpu is free for vmCheck the network to which phy macine is connected , it should be accessable to virtual network#################################################why disk increase option is grayed out for my vm in esxi->need to delete snapshot , as we can not increase disk size if the snapshot is presentyou night not be a admin user , so permision issue could be the issueIt might be disk drive used are different , try with v2v and it will solve the issue , while converting you need to select proper bus logicstill issue persisi , create one snapshot and then delete it and trystill not , reboot the vm######################################################All options are grayed out for Vm.-->*Permission issue*task ruuning in baground for same vm , check using to list all vm -- "vim-cmd vmsvc/getallvms"to list runing service *vim-cmd vmsvc/get.tasklist vmid*Now you you have a choice to either wait for the jobs to complete, or restart the Management agent to terminate this job*invalid entry in vmxOpen the .vmx file using any text editor.Search for any blank lines and delete them.Note: To delete a single line using vi editor, press d twice.Compare the .vmx file with a working virtual machine .vmx file and see if there are any invalid arguments.To apply the changes, reload the .vmx file by running the command:"vim-cmd vmsvc/reload vmid"