OpenGL Lighting normal fail - c++

Question

I am trying to implement lighting in my OpenGL scene. I am loading FBX model from file with normals (Generated by C4D). But the light doesn't look as I was expecting. I was looking on many forums, but wihout any relevant result. I have GL_NORMALIZE enabled...
Here is a code snippet:
glColorMaterial(GL_FRONT, GL_AMBIENT_AND_DIFFUSE);
float specularm[] = {1.8,1.8, 1.8, 1.0};
glMaterialfv(GL_FRONT, GL_SPECULAR, specularm);
glMateriali(GL_FRONT, GL_SHININESS, 50);
float light_ambient[] = {0.0, 0.0, 0.0, 1.0};
float light_diffuse[] = {1.0, 1.0, 1.0, 1.0};
float light_specular[] = {1.0, 1.0, 1.0, 1.0};
float position0[] = {0.0f, 50.0f, 0.0f, 1.0f};
glLightfv(GL_LIGHT0, GL_AMBIENT, light_ambient);
glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);
glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);
glLightfv(GL_LIGHT0, GL_POSITION, position0);
glEnable(GL_LIGHT0);
glEnable(GL_LIGHTING);
In draw function:
(I'm using VBO for drawing)
glEnable(GL_TEXTURE_2D);
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_NORMAL_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
...
glBindBufferARB(GL_ARRAY_BUFFER_ARB, geometry[model[m].gIndexes[g]].VBOName);
glVertexPointer(3, GL_FLOAT, 0, 0);
glNormalPointer(GL_FLOAT, 0, (void*)(geometry[model[m].gIndexes[g]].NumberOfPolygonVertexIndexes * 3 * sizeof(float)));
glTexCoordPointer(2, GL_FLOAT, 0, (void*)(geometry[model[m].gIndexes[g]].NumberOfPolygonVertexIndexes * 3 * sizeof(float)* 2));
glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, geometry[model[m].gIndexes[g]].VBOIndices);
...
glDrawElements(GL_TRIANGLES, geometry[model[m].gIndexes[g]].usemtl[o].VertexCount, GL_UNSIGNED_INT, (unsigned int*)0 + LastVertex);
Here is a screen of the problem: