SLES OS upgrade error. from SLES12 to SLES15
by adeel1982 from LinuxQuestions.org on (#6F15K)
I am trying to do offline upgrade for Suse Linux Version SLES12 SP05 to SLES15 SP03 (Vmware environment). I booted the system from ISO image of SLES15 SP03. while clicking next -->next, I reached to window select for updatei iPartition or system to upgradei where it is showing root file system xfs and X86-64.when i click next, wait sign comes for certain time and then error window appears with OK button only iinternal erroriexecution expiredi. when i am clicking OK its just go back to the old window as mentioned above. unable to find any help. please help me to resolve this issue.