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Active Directory synchronization: Roadmap
Link Active Directory synchronization: Roadmap
Lync 2010 for Office 365
Delete cached sign-in credentials
Link Microsoft Knowledge Base article 2698626: Error message when you try to sign in to Lync 2010 after a network outage or a Lync Online service outage: "Cannot sig...
Lync 2010 for Office 365
Ensuring your network works with Lync Online
Link Set up your network DNS server and firewall or proxy server to work with Lync Online
Lync 2010 for Office 365
How to configure an authoritative time server in Windows Server
Link How to configure an authoritative time server in Windows Server Microsoft Suport KB article 816042
Lync 2010 for Office 365
How to troubleshoot authentication and connectivity issues in Lync Online
Link This article discusses how to troubleshoot issues that may occur when you use Microsoft Lync Online in a Microsoft Office 365 environment
Lync 2010 for Office 365
Lync cannot verify that the server is trusted for your sign-in address
Link KB article 2531068: Lync cannot verify that the server is trusted for your sign-in address
Lync 2010 for Office 365
Plan for and deploy Active Directory Federation Services 2.0 for use with single sign-on
Link Microsoft TechNet article Plan for and deploy Active Directory Federation Services 2.0 for use with single sign-on
Lync 2010 for Office 365
Show hidden files
Link How to show hidden files in Windows Explorer
Lync 2010 for Office 365
Unable to sign in to Lync Online because the server is temporarily unavailable
Link Microsoft Support KB article 2566790: Unable to sign in to Lync Online because the server is temporarily unavailable
Lync 2010 for Office 365
You cannot connect to Lync Online because an on-premises firewall blocks the connection
Link Microsoft Support Knowledge Base KB 2409256 Lync Online because an on-premises firewall blocks the connection
Lync 2010 for Office 365