SQL Server has been working fine but since Friday I have not been able to connect to the database engine in SSMS. This coincided with my having to power the laptop off durin
A colleague into a similar problem - with pretty much the same error log. Turned out the root cause was his attempt to install SQL server on a domain controller using a system account. If you MUST install SQL server on domain controller, let SQL server service run under a network account. https://support.microsoft.com/en-us/kb/2032911