Solved! Go to Solution.
import arcpy, os mxd = arcpy.mapping.MapDocument(r"C:\Temp\Test.mxd") df = arcpy.mapping.ListDataFrames(mxd)[0] for lyr in arcpy.mapping.ListLayers(mxd): lyrFile = arcpy.mapping.Layer(r"C:\Temp\Test.lyr") layerName = lyr.name arcpy.mapping.UpdateLayer(df, lyr, lyrFile, False) lyr.name = layerName del lyrFile mxd.saveACopy(r"C:\Temp\Test2.mxd") del mxd os.startfile(r"C:\Temp\Test2.mxd")
import arcpy, os mxd = arcpy.mapping.MapDocument(r"C:\Temp\Test.mxd") df = arcpy.mapping.ListDataFrames(mxd)[0] for lyr in arcpy.mapping.ListLayers(mxd): lyrFile = arcpy.mapping.Layer(r"C:\Temp\Test.lyr") layerName = lyr.name arcpy.mapping.UpdateLayer(df, lyr, lyrFile, False) lyr.name = layerName del lyrFile mxd.saveACopy(r"C:\Temp\Test2.mxd") del mxd os.startfile(r"C:\Temp\Test2.mxd")