appveyor: is unable to start MSSQL 2012 & 2014 together

appveyor.yml

@@ -8,7 +8,7 @@ clone_folder: c:\projects\dibi
 
 services:
     - mssql2012sp1
-    - mssql2014
+#    - mssql2014
     - mysql
 
 init:

tests/databases.appveyor.ini

@@ -73,13 +73,13 @@ system = sqlsrv
 ;password = "Password12!"
 ;system = sqlsrv
 
-[sqlsrv 2014]
-driver = sqlsrv
-host = "(local)\SQL2014"
-database = master
-username = sa
-password = "Password12!"
-system = sqlsrv
+;[sqlsrv 2014]
+;driver = sqlsrv
+;host = "(local)\SQL2014"
+;database = master
+;username = sa
+;password = "Password12!"
+;system = sqlsrv
 
 ;[sqlsrv 2014-pdo]
 ;driver = pdo