https://community.esri.com/t5/python-questions/updateconnectionproperties-is-breaking-all-other/m-p/1033731#M60269 <P>What is ListFeatureClasses() doing, and subsequent loop?</P> Sat, 06 Mar 2021 21:21:58 GMT DavidPike 2021-03-06T21:21:58Z https://community.esri.com/t5/python-questions/updateconnectionproperties-is-breaking-all-other/m-p/1033728#M60267 <P>I have an issue that has me pretty stumped. I'm writing a script that is taking powerline information, replacing a layers source data in a map, kicking out a new aprx then creating tile packages from the aprx.&nbsp;</P><P>What's happening is that when updateConnectionProperties is fired off on the conductor layer, its breaking all the other layers and their source data.&nbsp;</P><P>Has any one else experienced this before?&nbsp;</P><P>I have included the section of my script below:</P><P>&nbsp;</P><LI-CODE lang="markup">arcpy.env.workspace = circuitGDB aprx = arcpy.mp.ArcGISProject(aprxFile) for featureClasses in arcpy.ListFeatureClasses(): #print(featureClasses) for map in aprx.listMaps(): if map.name == "Layers": for layers in map.listLayers(): #print(map.name) #print(layers) if str(layers) == "Conductor": print("Found The Conductor Layer") print("\nThe original connection properties is:") connDict = {'connection_info': {'database': circuitGDB}, 'dataset': featureClasses, 'workspace_factory': 'File Geodatabase'} currConnProp = layers.connectionProperties pprint.pprint(currConnProp) layers.updateConnectionProperties(current_connection_info=currConnProp, new_connection_info=connDict) aprx.saveACopy(editedAPRXFileLoc + "\\" + featureClasses + ".aprx") print("Updated the Datat Source and saved new aprx for circuit : ") print(featureClasses) print("----------------------------------------------------------------")</LI-CODE><P>&nbsp;</P> Sat, 06 Mar 2021 19:50:51 GMT https://community.esri.com/t5/python-questions/updateconnectionproperties-is-breaking-all-other/m-p/1033728#M60267 JeremyMoore2 2021-03-06T19:50:51Z https://community.esri.com/t5/python-questions/updateconnectionproperties-is-breaking-all-other/m-p/1033729#M60268 <P>Are you trying to update the connection properties of the other layers in the aprx or are they supposed to be left intact?</P> Sat, 06 Mar 2021 21:02:49 GMT https://community.esri.com/t5/python-questions/updateconnectionproperties-is-breaking-all-other/m-p/1033729#M60268 MichaelVolz 2021-03-06T21:02:49Z https://community.esri.com/t5/python-questions/updateconnectionproperties-is-breaking-all-other/m-p/1033731#M60269 <P>What is ListFeatureClasses() doing, and subsequent loop?</P> Sat, 06 Mar 2021 21:21:58 GMT https://community.esri.com/t5/python-questions/updateconnectionproperties-is-breaking-all-other/m-p/1033731#M60269 DavidPike 2021-03-06T21:21:58Z