Common Installation errors Lync 2013

Follow me Recently we had a project to setup Lync 2013 for a client, The install was pretty much smooth as  I did find multiple articles providing step by step instructions for the same, however due to my ignorance I did face a couple of issues with the install.  I am just providing details of those issues and the solutions in this article. Problem 1: During the final steps of the setup, when the command Set-CsCertificate was executed to assign the certificate it failed with the error Set-CSCertificate Failed with error Command Execution Failed: Https Binding not Found on the website I tried to execute the command Set-CSCertificate manually but got the same error, Went ahead and checked IIS, only to find that none 0f the required Lync website has been created. This is when it occurred to me, that during the prerequisites check, the setup had thrown a warning about a missing KB2646886 IIS hotfix, as it was just a warning so I just ignored it but looks like it was needed indeed, Refer the warning screenshot below. Prerequisite not satisfied: Before you install Microsoft Lync Server 2013, you must install an update for Windows Server 2008 R2. For details about the updated, see Microsoft Knowledge Base article 2646886, “FIX: Heap corruption occurs when a module calls the InsertEntityBody method in IIS 7.5” at http://go.microsoft.com/fwlink/p/?linkid=3052&kbid=2646886. We downloaded and installed the hotfix KB 2646886 on the server and restarted “Setup and Remove Lync component server” step, the step completed successfully and after that I was able to assign the license successfully. Problem 2: During the Lync Deployment wizard I...