Dual processor in SBS

If you put a second processor in a system that had only 1 when NT/SBS was installed you still have the HAL for a single processor system. Procedure for NT if this is what has happened is to run Uptomp.exe from the NT4.0 Server Resource Kit. Check Help & Uptomp.txt for which .inf and other files will be needed and for the exact usage of Uptomp. Uptomp will replace the system files for single proc. with versions for multi-proc. Reapply your service pack (you have to do this from the SBS disks,not from a regular Service Pack). I think this should work for SBS as well as for regular NT, but have complete backups ready just in case.

Do you have the exact same processor as the first? Right click my computer and note the specs on the processor (x86 family 5 model 4 stepping 3). I've heard that if the two processors aren't identical, you'll have problems. Hope that helps.

Yes, it can be done but is not a low-risk procedure so make sure you have verified backups. If it's a Compaq server, you'll want to use their procedure and SSD (server support disk).

If not, my recommendation is to do a parallel installation to a different directory than the existing installation. Boot up into this installation, get everything working properly and test it thoroughly. Since it's a fresh installation, NT Setup will probably recognize the second processor and automatically install the multi-processor kernel files.

Then, when everything is tested, you can copy the multi-processor files to the original installation (make sure the Service Pack levels are the same), re-boot into that install by modifying the boot.ini fileand watch things fly.

If you try and do an upgrade without the parallel installation, you will run the upgrade program and it will ask for the NT CD to copy a few files. When those files have been copied and the upgrade has completed, DO NOT REBOOT YET. Re-run the