I don’t have experience with windows server, but that indeed sounds like these are dead. you could check them with some pendrive bootable live linux, whether it sees them, like gparted’s edition, in case windows just hides them because it blacklisted them or something
I don’t have experience with windows server, but that indeed sounds like these are dead. you could check them with some pendrive bootable live linux, whether it sees them, like gparted’s edition, in case windows just hides them because it blacklisted them or something