Decomission windows 2008 SBS

I have a company that I am helping decommission their SBS2008:

I think these are the steps I have to take:

-   We already have in place a Windows 2008R2 Domain Controller as a secondary DC
-   Move all services off the SBS2008 and on to different servers
-   We already have move the DCHP server database to the backup Domain Controller
-   Mail is in the cloud office 365, they are not thrilled with performance
-   Working on SharePoint  
-   Working on moving files to different servers
-   IT is a GC
-   DNS is running on the secondary DC
-   Transfer The FSMO Roles to Secondary DC  The very last thing you do
-   Run DC promo and demote the server
-   Dis join it from the domain
-   Reload with Windows 2012R2 Essentials

I was reading some articles that said after you move the FSMO Role you only have 7 days to complete the process.  Can I add more time or not.

Thanks very much for the help!

Rick



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RickArnoldAsked:
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Thomas GrassiSystems AdministratorCommented:
Are you planning to make the windows 2012 server a dc?

That does not take long to build and make a dc

After 2012 server is built just add the ad roles restart and your up and running with another dc

I never head of the 7 day limit

After you move the fsmo roles it takes some time to adjust

I think your plan is good

HTH
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Scott CSenior Systems EnginerCommented:
Looks like you have pretty much everything covered.

Here's a blog to extend the deadline it's actually a 21 day limit.

https://blog.thesysadmins.co.uk/sbs-2003-to-sbs-2011-migration-extend-21-day-limit.html
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Lee W, MVPTechnology and Business Process AdvisorCommented:
To be clear, you're using SBS 2008 - NOT 2003, the blog reference is useless.  The deadline is 21 days from the point at which you transfer the FSMO roles.  So the solution is simple.  DON'T transfer the FSMO roles until you're ready to remove the SBS server.  That way, you can have as long as you like.

Any reason you're installing Essentials?  You can't save on CALs - you already have a 2012 server...
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Scott CSenior Systems EnginerCommented:
So Lee, you're saying that transferring the roles back to the 2008 SMS server would NOT reset the timer?
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RickArnoldAuthor Commented:
They are going with Essentials because it is close to SBS with the remote work place.  They don't want to spend a lot of time re-educating users on remote access.  From what I can tell, it looks like it uses the same port numbers as the old SBS2008, so from my end,  I should be able to keep the ip address the same and just move right in without a re-config on the firewall.
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