Exchange 2010 and Outlook 2010 password box comes up after upgrade from SBS2011

We recently upgraded from SBS2011 to 2008R2 and Exchange 2010. After changing Exchange over to the new server and changing the server name in Outlook 2010 each internal user gets asked for there password when going into Outlook. They enter it and everything is fine for the rest of the day.
I have tried deleting the account from credentials but that made no difference.  Also I have remade the profile.

If I login to another PC as that user the same thing happens (there are no roaming profiles)

Any help would be appreciated
PHBSupportAsked:
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Nick RhodeIT DirectorCommented:
Did you setup outlook anywhere by chance?  If so; change it to NTLM authentication so it uses the cached credentials to auto-negotiate
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PHBSupportAuthor Commented:
Hi Nick

Just tried that and it works! many thanks

I've also just installed a new pc and after Outlook set itself up I noticed it hadn't used Outlook Anywhere, am I right in thinking I only need this for users not directly connected to the domain? i.e. laptops

Once again thanks for your help

Paul
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Nick RhodeIT DirectorCommented:
Typically its default when outlook anywhere is enabled.  Its basically there so you can make your users mobile.
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Windows Server 2008

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