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1&gt; Is this a new user ?<br />
2&gt; If its old user and previosly it was working fine then please check its mailbox limit ?<br />
3&gt; Is OWA working for that user ?<br />
4&gt; Try to recreate his outlook profile.
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1> Is this a new user ?
2> If its old user and previosly it was working fine then please check its mailbox limit ?
3> Is OWA working for that user ?
4> Try to recreate his outlook profile.

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I have one user mailbox in Exchange 2010 that cannot update inbox etc. without rebooting the Exchange server?
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I have one user mailbox in Exchange 2010 that cannot update inbox etc. without rebooting the Exchange server?

How does one user mailbox not update without rebooting Exchange Server 2010?

The Microsoft Legacy Operating System topic includes legacy versions of Microsoft operating systems prior to Windows 2000: All versions of MS-DOS and other versions developed for specific manufacturers and Windows 3/3.1, Windows 95 and Windows 98, plus any other Windows-related versions, and Windows Mobile.

Microsoft Legacy OS

The Microsoft Server topic includes all of the legacy versions of the operating system, including the Windows NT 3.1, NT 3.5, NT 4.0 and Windows 2000 and Windows Home Server versions.

Microsoft Server OS

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.