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SBS 2003 moving to Office 365

Hi experts,
we have a customer who had their exchange emails running on a sbs 2003 server, there are several windows 7 clients. Anyway we have migrated them away from the old server and emails now with office 365, the next step is a 2012 domain controller. One of the users is having issues with their emails on outlook.
Using the latest 2013/2016 outlook, emails seem to sporadically stop, and to fix this the user is recreating their mail profile. Their OWA access seems fine and without issue.
The other 6 or so users are ok.
Not knowing SBS2003 , i suspect something autodiscovery wise is affecting the user , any tips? Thanks.

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CompProbSolv

Is the SBS still running? If so, there may be a problem with the client looking to it instead of the Office 365 server. I found the following that resolved it for me:
http://www.itjon.com/outlook-still-trying-to-connect-to-old-exchange-server-after-moving-to-office-365/

Add: ExcludeScpLookup=dword:1
to
HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Outlook\AutoDiscover

In my case it prevented me from configuring the email on some computers, which is different from what you are facing. Nonetheless, I'd give this a try.

Cliff Galiher

There was no autodiscover service with exchange 2003, and by proxy, SBS 2003. You definitely have something else going on.

CompProbSolv

Very good point! My issue was with SBS 2008/Exchange 2007. I sit corrected.....

unrealone1

ASKER

Thanks Experts. The issue with that customers sbs2003 , is that it is so far gone, we simply rebuild the dc and that should work.
Thats saves hours of work our end.
So this weekend a new dc goes in, cheers all.