How to enable multiple traceflags
Try add each trace flag separately.


Some trace flags are now build in, in SQL Server 2016 like TF 1117, TF 1236 only applies to SQL 2012 and 2014 without SP1, TF 4199 is now default as is TF 8024.

For the complete list of trace flags go to this url: https://msdn.microsoft.com/en-us/library/ms188396.aspx