SBS 2011 and CRM Router


We currently have two servers - one hosting our exchange server and the second hosting sharepoint and CRM 4.0.

Both use SBS 2003 - the CRM server with SQL Server 2005 and both are 64 bit.

My question is -

If we move to SBS 2011 on the exchange server first, will the Microsoft Email Router continue to connect to the second second CRM server. We are planning on updating this server but not until CRM 2011 is out.

Any other considerations we need to take into account with this sort of set up will be greatly appreciated. Sunny J

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Glen KnightCommented:
First of all SBS2003 is 32bit only.  You also cannot have 2 SBS servers as part of the same domain.

As for the upgrade of the one using Exchange to SBS2011 then this shouldn't be too much of a problem.  Assuming the CRM uses authentication they will still be able to send mail to the new server.  If not you will need to setup a new receive connector to allow the CRM to relay as per:

There is no in-place upgrade from SBS2003 to SBS2011 so you will need new hardware and to perform a migration, see my guide here:
sunny-jAuthor Commented:
Thank you for your swift response. On your comment about not having two SBS servers, is this a licensing issue or it simply will not work. The exchange server is the domain controller - should the CRM then be hosted on a normal windows server rather than a SBS version.

So after new hardware and migration, we simply install the Microsoft Dynamics Email Router and it should work fine.

Thank you too for the link on migration which is very comprehensive - i will pass that on to our IT person to review before he starts.

Glen KnightCommented:
2 SBS servers simply cannot exist as part of the same domain, you will be in breach of licensing and they will detect each other and shut down randomly.  Unless they have been "hacked" to allow them to co-exist.

If you need 2 servers then you should use the premium edition of SBS which cones with an additional Windows License for a second server.
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Feridun KadirPrincipal ConsultantCommented:
Depending on how you migrate to SBS 2011, you may need to reinstall the CRM e-mail router and CRM.

If you set up a new domain for SBS 2011 you will definitely need to re-install CRM, but you will be able to use the existing database.

If you don't set up a new domain then you should be ok for the CRM server.  I would, however, re-install the E-mail router on your new Exchange server. It isn't a difficult or long install. Again, depending on what happens to your user mailboxes you may need to re-run the Rule Deployment Wizard.
CRM can be installed on a domain controller but this is supported only on SBS. I recommend, however, that you do not install on the domain controller, but instead on another server (which can be the second server in an SBS installation).
sunny-jAuthor Commented:
Hi Demazter,

My mistake, the CRM server is a standard Microsoft server.  On this point, i have opened another question - see
Glen KnightCommented:
Just for the record, you cannot migrate SBS and change the domain name!

This would be a completely fresh install.
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