I am needing to change my multiple layers Data Source in about 24 MXD's from one sde geodabase to a different. We have changed servers. My SDE instance is different now. Note: there is no passwords and there is some .shp files in this mxdI am getting the following error. so any help would be gratefully appreciated.Proposed_ZoningMapBook_Page_1.mxdTraceback (most recent call last): File "C:/GIS/Python Scripts/Change Data Source MXD.py", line 29, in <module> MXD.replaceWorkspaces(source, "SDE_WORKSPACE", datapath, "SDE_WORKSPACE") File "C:\Program Files (x86)\ArcGIS\Desktop10.1\arcpy\arcpy\utils.py", line 181, in fn_ return fn(*args, **kw) File "C:\Program Files (x86)\ArcGIS\Desktop10.1\arcpy\arcpy\_mapping.py", line 915, in replaceWorkspaces return convertArcObjectToPythonObject(self._arc_object.replaceWorkspaces(*gp_fixargs((old_workspace_path, old_workspace_type, new_workspace_path, new_workspace_type, validate), True)))ValueError: MapDocObject: Unexpected error# Import system modules import arcpy, os, glob #This is the folder containing your MXD's arcpy.env.workspace = "C:\GIS\MAPBOOK\Proposed Zoning Book" wrksp3 = arcpy.env.workspace arcpy.env.workspace = wrksp3 #Lets grab a listing of all MXD's in our workspace; called wrksp3 for filename in os.listdir(wrksp3): fullpath = os.path.join(wrksp3, filename) if os.path.isfile(fullpath): basename, extension = os.path.splitext(fullpath) if extension.lower() == ".mxd": print filename MXD = arcpy.mapping.MapDocument(fullpath) #list all the layers in the first MXD from above for lyr in arcpy.mapping.ListLayers(MXD): #print lyr #Here we grab the source from the first layer source = lyr.workspacePath #print lyr, source #This is the NEW SOURCE that your point to datapath = r"C:\Users\**\AppData\Roaming\ESRI\Desktop10.1\ArcCatalog\DBO.**.**.sde" #Here the actual source replacement is done MXD.replaceWorkspaces(source, "SDE_WORKSPACE", datapath, "SDE_WORKSPACE") #dont forget to save your changes; this option saves the MXD to v10, no saving as pre-10 versions of ArcGIS MXD.save()