http://support.microsoft.com/ph/924The latest support information about Microsoft Lync, Office Communications Server and Office Communicator Solutions from Microsoft Product Support Services. http://technet.microsoft.com/en-us/library/gg425733(v=ocs.14).aspx#phrssInstallation and uninstallation issuesMicrosoft Lync 2010 setup files are provided as executable (.exe) programs. The Lync 2010 setup executable program is the recommended method for installing clients. http://support.microsoft.com/kb/2477965#phrssInstallation and uninstallation issuesHow to enable MSI deployments for Lync.msi. http://support.microsoft.com/kb/2493736#phrssInstallation and uninstallation issuesThis article lists the available updates for Microsoft Lync Server 2010 and specifies the applicability of the updates for each server role. http://support.microsoft.com/kb/2690036#phrssCrashes (server or client)Description of the Microsoft Lync for Mac 2011 14.0.2 update http://technet.microsoft.com/en-us/library/hh202160.aspx#phrssCrashes (server or client)This document describes a methodology for backing up and restoring the data that is required for full recovery of Microsoft Lync Server 2010 services. http://support.microsoft.com/kb/968100#phrssCrashes (server or client)This problem occurs if the cross-database chaining option has been disabled for the RTC database and for the RTCDyn database. http://technet.microsoft.com/en-us/library/gg195618(v=ocs.14).aspx#phrssSign on and authentication - Internal userAuthentication is the provision of user credentials to a trusted server. Lync Server 2010 uses the following authentication protocols. http://support.microsoft.com/kb/2298541#phrssSign on and authentication - Internal userThis issue can occur for multiple reasons, and in certain scenarios, this is expected behavior. http://www.microsoft.com/en-us/download/details.aspx?id=12715#phrssSign on and authentication - Internal userDownloadable training http://technet.microsoft.com/en-us/library/gg398997(v=ocs.14).aspx#phrssSign on and authentication - Internal userTo define custom presence states in Microsoft Lync 2010, create an XML custom presence configuration file, and then specify its location by using the Lync Server Management Shell cmdlets http://office.microsoft.com/en-us/communicator-help/sign-in-to-and-out-of-lync-2010-HA101842213.aspx#phrssSign on and authentication - Internal userHow to: Start Lync 2010 and sign in Set up Lync 2010 to start automatically Sign out of Lync 2010 http://technet.microsoft.com/en-us/library/gg195804(v=ocs.14).aspx#phrssService startupBest practice on certificates http://support.microsoft.com/kb/2468019#phrssService startupError: Cannot sign in because server is temporarily unavailable. if the problem continues, please contact your support team. http://technet.microsoft.com/en-us/library/gg398995(v=ocs.14).aspx#phrssService startuphow to configure certificates for a Front End Server http://support.microsoft.com/kb/2736171#phrssService startupHow to locate information about the certificate that is associated with the Lync Server server http://technet.microsoft.com/en-us/library/gg521005.aspx#phrssService startupHow to update a computer from the evaluation version of Lync Server 2013 to the licensed version of the software