ArcIMS Image Server does not support Mr. SID MG3 images

Description

Mr.SID MG3 images are not supported by ArcIMS Image Server 4.0, 4.0.1 or 9.0.

Note:
MG3 files are supported by ArcIMS 9.0 using the ArcMap server on Windows only

Cause

The needed DLLs provided by the vendor are still in a beta version and cannot be used by ESRI in developing a product.

Workaround

1. Use the earlier versions of Mr. SID images with their relevant world files.
2. Convert Mr.SID MG3 images into a format that is supported by ArcIMS. See Related Information for more detail about supported formats.