Index: jdbc/jdbc-sqlserver/src/main/java/org/geotools/data/sqlserver/SQLServerFilterToSQL.java
===================================================================
--- jdbc/jdbc-sqlserver/src/main/java/org/geotools/data/sqlserver/SQLServerFilterToSQL.java	(revision 37329)
+++ jdbc/jdbc-sqlserver/src/main/java/org/geotools/data/sqlserver/SQLServerFilterToSQL.java	(working copy)
@@ -20,6 +20,7 @@
 
 import org.geotools.data.jdbc.FilterToSQL;
 import org.geotools.filter.FilterCapabilities;
+import org.geotools.jdbc.SQLDialect;
 import org.opengis.filter.expression.Literal;
 import org.opengis.filter.expression.PropertyName;
 import org.opengis.filter.spatial.BBOX;
@@ -44,6 +45,7 @@
     @Override
     protected FilterCapabilities createFilterCapabilities() {
         FilterCapabilities caps = super.createFilterCapabilities();
+        caps.addAll(SQLDialect.BASE_DBMS_CAPABILITIES);
         caps.addType(BBOX.class);
         caps.addType(Contains.class);
         caps.addType(Crosses.class);