[mapguide-users] Points Disappearing with External SHP Connection

[JC650]

We are attempting to add some layers using a connection to a SHP folder.  

Our Setup:

1) Mapguide 2010; Using the AJAX Viewer 
2) Created an Aliased Folder on a Local Drive of the Server
3) Put 10+ SHP file Layers in the folder
4) Layer below has default theme (just changed color).  

The Problem:

The point layer is very inconsistent.  Sometimes the points will appear,
sometimes they will not. Simply panning or zooming in can cause the points
to disapear. 

Here is a simple Screen Shot 

Here is a Zoomed in view of a layer (red dots are the point layer):
http://n2.nabble.com/file/n4210614/GIS_Problem1.gif 

Now look after I pan a small amount to the left.  Notice there are fewer
dots (even though zoom level is the same and it is the same location on the
map).  

http://n2.nabble.com/file/n4210614/GIS_Problem2.gif 

The points will toggle on/off with no apparent pattern as I pan around.

Any ideas of why this is happening?

Thanks.
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