SQL 2012 SP1: Errors on starting database server named instance

I recently got some weird SQL Server error messages in the Application event log after rebooting my SQL 2012 SP1 server, running on Windows Server 2012: Event ID 26014: Unable to load user-specified certificate [Cert Hash(sha1) “D3D88810B87C9533AA30CE9B2C3BDCEE3C674B97”]. The server will not accept a connection. You should verify that the certificate is correctly installed. See “Configuring … Read moreSQL 2012 SP1: Errors on starting database server named instance