Text size for labels in ArcIMS may differ from the text size in ArcMap
Last Published: April 25, 2020
Description
When viewing labels in a map produced by the ArcIMS image server, the text size may be smaller than the same text in an ArcMap document or other applications.
Cause
This is a known issue.
Workaround
Use a larger value for the font size in the TEXTSYMBOL attribute.