Vanhorn, Mike wrote: > > It turned out to be something very simple, but which wasn't obvious to > check to begin with. There was another computer (a Windows machine) that > was supposed to have been taken out of service a long time ago, but > someone has recently put it back on the network. Because it was supposed > to have been no longer used, it's IP address was re-allocated (a year and > a half ago!) to the machine that I have been agonizing over all week. > > On someone's suggestion, I decided to put the problem PC on a different > subnet, because we thought it might be something amiss with the new > networking hardware that was installed a month or so ago, and suddenly the > problem went away. Some more investigation, and we discovered that the IP > address was still being used, and, thus, stumbled across the actual > problem. > > Thank you to all who responded! Glad you got it. I've been *really* busy all morning - shutdown of chilled water at 0-dark-30 meant shutting all the servers down yesterday, then bringing them up once the chiller water came on - but when I saw that you'd found it was a network issue, I was literally about to respond that it might not be your system's problem, but something on the network, when I saw your subject of SOLVED. Congrats. <snip> mark _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos