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I manage to change my datasouce by right clicking on an mxd file and choosing a different sde database connection file as shown in the following image. *enter image description here*

However When I try to do this using arcpy script the datasource it is not changed, but the new mxd is created (having the old datasource)

import arcpy
mxd = arcpy.mapping.MapDocument(r"C:\Users\SMALIS\Documents\ArcGIS\pythonSwitchSource.mxd")
mxd.findAndReplaceWorkspacePaths(r"Database Connections\sdeConnection1.sde",r"Database Connections\sdeConnection2.sde")
mxd.saveACopy(r"C:\Users\SMALIS\Documents\ArcGIS\pythonSwitchSourceNEW.mxd")
del mxd

Can somebody explain me why is that happening?

I use ArcGIS 10.2 for Desktop. Oracle 11g

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I have also had issues with this...This post was helpful. In our case, we have 50+ mxd's we use for web applications, each with a corresponding SDE database. We just upgraded our SDE and ArcGIS Server so I used the lyr.replaceDataSource to explicitly set the SDE workspace and it seemed to work much better. It still missed a few, but for some reason I can never get the findAndReplaceWorkspacePaths to work properly

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  • import arcpy; mxd = arcpy.mapping.MapDocument(r"C:\Users\SMALIS\Documents\ArcGIS\pythonSwitchSource.mxd"); for lyr in arcpy.mapping.ListLayers(mxd): if lyr.supports("DATASOURCE"): lyr.replaceDataSource("C:\Users\SMALIS\AppData\Roaming\ESRI\Desktop10.2\ArcCatalog\DB1.sde", "SDE_WORKSPACE", lyr.datasetName, False) mxd.saveACopy(r"C:\Users\SMALIS\Documents\ArcGIS\1.mxd"); del mxd;
    – Smalis
    Nov 14, 2014 at 11:41
  • I Tried your suggestion. I seems to replace the datasource and created the new mxd (1.mxd) with the new datasource. However , when I try to show the map, with data coming from the new datasource, ArcMap says that I have to repair the datasource ("!" symbol on the left of the layer in table of content area)
    – Smalis
    Nov 14, 2014 at 11:42
  • Hmm, maybe try using the path r"Database Connections\DB1.sde". This is an alias for the exact same path you are using, but maybe some stuff under the hood will validate it properly.
    – crmackey
    Nov 14, 2014 at 15:45

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