Arcgis server fails to keep the same symbol properties when caching a feature layer (polygon for example),

[MajdoleenO_A__Awadallah]

Arcgis server fails to keep the same symbol properties when caching a feature layer (polygon for example),

We couldn’t figure out why when we cache a feature layer (polygon for example) using Arcgis server, it ends up with changing the thickness of the line.

What might be the issue here?

Best

Majdoleen