A while back I talked about a problem one of my clients was having with Windows 7 64 bit and Access 2010/2007. It was terribly slow and unacceptable. You can see the original post here.

Solution Found – Turn off the LLMNR Protocol

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My client waited long and hard to get this resolved, but Microsoft did come through for him. The solution is to disable the LLMNR protocol using the Group Policy Editor:

Go to Search – Type GPEdit.msc – Press Enter – Navigate to the following and make sure Enabled is checked –

Computer ConfigurationAdministrative TemplatesNetworkDNS Client

Turn off Multicast Name Resolution = Enabled

You can read more about it here:

http://social.msdn.microsoft.com/Forums/en/windowscompatibility/thread/f295994c-5812-4e46-8ac9-f05471d4dd54