We have just change our exchange to a new exchange host and put all the details into outlook 2013 client
DNS records have been changed
These clients are working fine but every few minutes outlook keeps trying to connect to old exchange account and if the users cancel the hostedmail address in the outlok profile is changed to a different address
When outlook is reopened it cannot connect to the new exchange because it has the old exchange registered in the hostedmail connection
When this is change back then exchange works

How do I get rid of the connectivity to the old exchange on the users pc ?
A new outlook profile does not do it
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Alan HardistyCo-OwnerCommented:
If your old Exchange server was internal, then you need to remove (disable) the exchange account (make sure you don't delete the User account) from AD for each user so it won't try to reconfigure Outlook and remove the Autodiscover Virtual Directory for your local Exchange server.

get-autodiscovervirtualdirectory | remove-autodiscovervirtualdirectory


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doctorbillTechAuthor Commented:
Partially solved
Host DNS records needed to be updated as well
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