![]() ![]() You can check your autodiscover responses (as you mentioned you made the CNAME change) by using Exchange Connectivity Analyzer. You may have to clear out Outlook cache as well. Clients that were manually configured will need a new profile created as they won't pickup the autodiscover changes. If no one is using the old mail server any longer AND the original client configuration was setup by Autodiscover, it should be as simple as updating the AutoDiscover A record to point to O365 (which is part of the migration process). In a few cases you will end up re-creating profiles - I've not had a single migration yet where that was not the case so I always prepare for that. This discussion suggests they need to add a new account and presumably delete the old one when it's no longer needed. Most users now have Outlook from Office 365 installed, with a couple still on Outlook 2010. I have already performed the MigrationWiz migrations and updated the DNS records. It's not the end of the world if it's a manual process and requires re-downloading the entire mailbox, but I'd love to avoid that if possible. I have about a dozen users and their workstations aren't managed by Active Directory but I'm happy to run through a few steps with each of them. if the id's of the mail items aren't preserved when migrating from one server to another)? Option 1 is probably terrible as it'll require outlook to re-download their entire mailbox, but maybe that's required (e.g. Account Settings > select Exchange account > Change > More Settings > Connection tab > Exchange Proxy Settings > modify the urls.Once I've set up the mailboxes and migrated all data to O365 (using MigrationWiz), how do I least painfully update workstations or instruct users to update workstations so their Outlook points at the O365 server and ideally doesn't have to download the entire mailbox again? I'm migrating from hosted Exchange 2007 using Sherweb to using Office 365. ![]()
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December 2022
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