Last week our ISA box went down hard. Even though we had mirrored drives, even though we had a support contract and basically all of the server hardware was replaced, even though we had a good NT backup of the system.... We were unable to recover the original system. The SCSI controller card metadata is trashed and all copies bad. When trying to reinstall Windows and restore our full backup, about half way through the system halts and reboots every time.
By day 3 of trying to recover the server we went with plan B. We were stuck with scrapping the server and starting over on another piece of hardware. Luckily we had something decent around to use, I installed Windows 2003 and the patches, etc as well as ISA 2004 and its patches. Then I imported our ISA config from an export that was fortunately very recent. It blew up of course. It complained about invalid certificates, which I had in place for our Web Listener for our OWA server. I then went back and installed the certificates, and re-imported the config. This time it went a bit better, however I still needed to link the new certificates with the Listeners and hit Apply a few times.
The hardest part was remembering some of the basic network stuff like which interface gets a gateway and static routes for our remote sites, etc. All in all it was quite a long lesson. I am quite grateful of the export file as without it I would have had to recreate countless rules, network sets, url sets, user sets, etc, etc, etc.
Anyway, just posting to remind all of you to back up your stuff. Raid, NT backup, Image software, and good old config export for ISA.
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Recovery nightmare resolved - 
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