Dirsync Office 365 AD integration on Server 2008


I am preparing an office 365 migration from an existing .local domain.
The environment : SBS 2008  64 bit and a few server 2008 Standard member servers (64bit).
I see the following Directory Synchronization requirement:
64 bit Server 2008 R2 SP1 or Server 2012 STD

Is there a way to install it on Server 2008 non R2 version?
Do i need an additional UPN domain name because it is a local domain name?

Thanks for your help

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Vasil Michev (MVP)Commented:
The newest versions are supported only on 64 bit machines. You can still install and run an older version if you can find one and it will run on 2008 as well, but if you run into any issues, Microsoft will simply tell you it is not supported.

As for the UPN, its best to add (at least one) vanity domain your company owns as alternate UPN suffixes. Otherwise, the UPNs will be synchronized to the default onmicrosoft.com domain you are getting when you sign in for Office 365. It will still work and the users will be able to access the service, but the login details will be different. Not sure if password sync will work too, if you are planning to use it.

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antwerp2007Author Commented:
Hello,thank you for the comment!
The servers are 64 bit edition but the version is server 2008 (Windows (R) Small Business Server 2008 6.0 and Windows Server (R) 2008 Standard 6.0) instead of the requirement server 2008 R2 (Windows Server 2008 R2 Standard 6.1)
Vasil Michev (MVP)Commented:
Again, supported is different from 'being able to install'. Most likely you will be able to install it, however Microsoft will not assist you on any issues you encounter.

Even if the new version has some built-in checks to prevent you from running it on a 2008 machine, you can simply install an older version. And older versions run just fine on 2008 machine, even a 32-bit one (initially dirsync did not even have a 64-bit version).
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Windows Server 2008

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