Dear Gurus!
In silverlight project I use OSM layer and my GIS service as follows
<esri:Map x:Name="myMap" Background="White" WrapAround="true"
Extent="3200000,8500000,4250000,10130000" MouseClick="Map_MouseClick" >
<esri:OpenStreetMapLayer ID="OSMLayer" Style="Mapnik" />
<esri:ArcGISDynamicMapServiceLayer ID="My layer"
Url="http://Computer:6080/ArcGIS/rest/services/karelia/MapServer" />
</esri:Map>
The site is running on IIS server. And from some computers from internet or intranet all works fine, but on some ones OSM layer not visible, when layer of my gis service - is visible. What may be the reason?