Index: pgConn.cpp
===================================================================
RCS file: /projects/pgadmin3/src/db/pgConn.cpp,v
retrieving revision 1.55
retrieving revision 1.56
diff -Lsrc/db/pgConn.cpp -Lsrc/db/pgConn.cpp -u -w -r1.55 -r1.56
--- src/db/pgConn.cpp
+++ src/db/pgConn.cpp
@@ -468,11 +468,20 @@
                     wxT(" WHERE proname = 'pg_terminate_backend'")
                     wxT(  " AND pronargs = 1"))
                     .IsEmpty();
+
+		if (majorVersion >= 8)
+		{
 		features[FEATURE_STANDARD_LOGNAME_FORMAT] = 
 			ExecuteScalar(
 					wxT("SHOW log_filename"))
 					== wxT("postgresql-%Y-%m-%d_%H%M%S.log");
     }
+		else
+		{
+			features[FEATURE_STANDARD_LOGNAME_FORMAT] = false;
+		}
+
+    }
 
     if (featureNo < 1 ||featureNo >= FEATURE_LAST)
         return false;