SharePoint Protocol has been implemented by Alfresco starting with Labs 3a release. It allows Microsoft Office Suite Applications (Word, PowerPoint, Excel) to interact with Alfresco as if it was SharePoint. The Alfresco Sharepoint extension is also known as the VTI module.
That should prompt you for a login. Once logged in, you can browser Alfresco. See if this helps.
PS. If you aren't connected to a network, type using a self signed ip address.
When attempting to create a Shared Workspace an error maybe encountered suggesting the site be added to your list of Trusted Sites. To do this follow the steps below:
Launch Internet Explorer
Go to Tools -> Internet Options
Select the Security tab
Select 'Trusted Sites'
Click the Sites button
Enter the host being connected to i.e. http://192.168.1.45 (NOTE: You may need to uncheck the 'Require server verification' option if you are not connecting via HTTPS)
Close all dialogs and quit Internet Explorer
Space Appears At The End Of URL
When attempting to create a Shared Workspace the URL is pre-populated if a previous attempt has been made. Sometimes an extra space is added onto the end of the URL which results in an error, remove the space and attempt creation again.
Windows 7 / Windows Server 2008 Issues
Change or create the Registry key: 'HKLM\SYSTEM\CurrentControlSet\Services\WebClient\Parameters\BasicAuthLevel' (REG_DWORD) and set its value to 2.
Office clients on Windows 7 ask for credentials twice for the File->Open and File->Save dialogs if you don't check 'Remember my credentials'.
If an Office client asks for credentials for each operation, it may be related to the domain policy and client settings. Refer to the following two articles:
Windows 7 Prompting for Authentication When Accessing SharePoint Documents:
There is a known issue with Office 2003 and 2007 Office documents opening as read-only in Internet Explorer for all versions before Vista SP1. Please refer to the knowledge base article 870853 on the Microsoft website to enable the Online Editing functionality. For more details read the 'SharePoint protocol and Office 2007 under Windows Vista' pdf document.