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SBS migration

Currently windows 2k3 SBS is acting as dc, dhcp, dns, exchange, sql.
Now we are about to replace it with sbs2011, we have decided to go for fresh installation and transfer data, export emails. Due to SQL requirements by web apps we can't remove current sbs server so there will be 2 DC with same domain name. Planning to disable dns, dhcp etc after connecting sbs2011 then disjoin all the computers and join to new domain. My only concern is - do i need to disable AD? or what's the best solution to get going with new server and old server together so that SQL can be still used from old server SBS and all other services of SBS can be used from SBS 2011. Or once I disjoin and join all the computers to new SBS 2011 domain i don't need to worry about old SBS server AD/domain. Thanks

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Rob Williams

8/22/2022 - Mon
Rob Williams

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Thanks Rob, SBS2011 comes with SQL express and there's no premium sbs2011 need to buy add-on and it is quite costly. not sure whether sql express is going to support current requirements or not. Is it possible to migrate sql2005 enterprise into sql2008 express? thanks
Rob Williams

I am quite familiar with SBS and requirements but I am afraid I am not a "SQL guy". You would need to check with the software vendor you are using to see if SQL express meets the need of their application and if they can asst with the migration. SBS 2011 does have a "premium add on" that offers an additional Server 2008 license and SQL 2008

Hi Rob, can we use different domain name for new server and leave the currnet SBS server for sql use or this is also not going to work.
for example current server: abc.local
new one: xyz.local
Your help has saved me hundreds of hours of internet surfing.
Cliff Galiher

You will have authentication and licensing legal issues. SBS licensing is one SBS server per organization, and while the licensing servicevtries to enforce this on a technical level, even if you find a way around it, that would still ge illegal. Providing advice on a knowingly illegal configuration is against EE policies.

In short, work with your vendor to plan on an appropriate migration. Do not run two SBS servers. Full stop.


There is a "hotfix" to extend this to 21 days, but that is it.
Hi Rob, do you know this hotfix?
Cliff Galiher

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Rob Williams

Sorry different time zone here......
I agree. It is possible to have two SBS servers with different domain names on the same network segment, but even ignoring the licensing issues (not suggesting that is not important -excuse double negative), you will have issues with many overlapping services, and removing some of these is an additional licensing violation.

SBS is licensed and designed to be a DC and although you can add other DC's, SBS must retain all FSMO roles. Your best bet, or really your only option, is to buy additional server licensing.