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    <title>topic How to change the spatial reference of a feature service? in ArcGIS Mapping and Charting Questions</title>
    <link>https://community.esri.com/t5/arcgis-mapping-and-charting-questions/how-to-change-the-spatial-reference-of-a-feature/m-p/349911#M1143</link>
    <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;I need to change the spatial reference of an existing feature service to facilitate the addition of new features that are collected in another spatial reference without requiring per-feature transformation in this proces.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;I am interesting in both changing the spatial reference of a feature service&lt;/P&gt;&lt;P&gt;- applying a datum transformation&lt;/P&gt;&lt;P&gt;- reinterpreting the existing geographic coordinates values in the new datum (because the spatial reference was initially wrong).&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;I have been experimenting, and observed some problems and some successes.&lt;/P&gt;&lt;P&gt;I am wondering what would be the advised way, and where I go wrong.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;I did not find a way to do this in ArcGIS online. Is this correct?&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;I tried achieving this in ArcGIS Pro. I think the path to follow boils down to&lt;/P&gt;&lt;P&gt;- add the feature layer from the portal to a map in ArcGIS Pro&lt;/P&gt;&lt;P&gt;- perform some actions&lt;/P&gt;&lt;P&gt;- overwrite the web layer with the resulting feature layer in ArcGIS Pro.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;(The map spatial reference seems to determining the spatial reference of shared feature layers, so I set this one correctly.&lt;/P&gt;&lt;P&gt;I was surprised to observe that the spatial reference of the feature layer is not maintained in the shared feature service.)&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Trying to share the added layer again (without further steps) fails with "00102: Selected layers do not contain a required layer type for feature layer." I have no idea where this comes from, as I added a feature layer from the portal to begin with.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Trying the "Project" Geoprocessing, I get another error that I can't relate to what I am doing: "ERROR 001489: Cannot project a feature class that participates in more advanced capabilities (such as topology and geometric network).&lt;/P&gt;&lt;P&gt;Failed to execute (Project)." My layer just contains points, nothing exotic.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;I can do the "Copy features" Geoprocessing, filling in the spatial reference parameters, and overwrite the exiting feature service with the resulting feature layer.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Projecting this copy does also work, and the resulting layer can also be used to overwrite.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Although I seem to have a working approach, I would be very happy to understand what I did wrong in the alternatives, and what is the "right" way to perform such a spatial reference change.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Thanks in advance!&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
    <pubDate>Fri, 28 Aug 2015 13:59:56 GMT</pubDate>
    <dc:creator>Anonymous User</dc:creator>
    <dc:date>2015-08-28T13:59:56Z</dc:date>
    <item>
      <title>How to change the spatial reference of a feature service?</title>
      <link>https://community.esri.com/t5/arcgis-mapping-and-charting-questions/how-to-change-the-spatial-reference-of-a-feature/m-p/349911#M1143</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;I need to change the spatial reference of an existing feature service to facilitate the addition of new features that are collected in another spatial reference without requiring per-feature transformation in this proces.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;I am interesting in both changing the spatial reference of a feature service&lt;/P&gt;&lt;P&gt;- applying a datum transformation&lt;/P&gt;&lt;P&gt;- reinterpreting the existing geographic coordinates values in the new datum (because the spatial reference was initially wrong).&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;I have been experimenting, and observed some problems and some successes.&lt;/P&gt;&lt;P&gt;I am wondering what would be the advised way, and where I go wrong.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;I did not find a way to do this in ArcGIS online. Is this correct?&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;I tried achieving this in ArcGIS Pro. I think the path to follow boils down to&lt;/P&gt;&lt;P&gt;- add the feature layer from the portal to a map in ArcGIS Pro&lt;/P&gt;&lt;P&gt;- perform some actions&lt;/P&gt;&lt;P&gt;- overwrite the web layer with the resulting feature layer in ArcGIS Pro.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;(The map spatial reference seems to determining the spatial reference of shared feature layers, so I set this one correctly.&lt;/P&gt;&lt;P&gt;I was surprised to observe that the spatial reference of the feature layer is not maintained in the shared feature service.)&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Trying to share the added layer again (without further steps) fails with "00102: Selected layers do not contain a required layer type for feature layer." I have no idea where this comes from, as I added a feature layer from the portal to begin with.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Trying the "Project" Geoprocessing, I get another error that I can't relate to what I am doing: "ERROR 001489: Cannot project a feature class that participates in more advanced capabilities (such as topology and geometric network).&lt;/P&gt;&lt;P&gt;Failed to execute (Project)." My layer just contains points, nothing exotic.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;I can do the "Copy features" Geoprocessing, filling in the spatial reference parameters, and overwrite the exiting feature service with the resulting feature layer.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Projecting this copy does also work, and the resulting layer can also be used to overwrite.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Although I seem to have a working approach, I would be very happy to understand what I did wrong in the alternatives, and what is the "right" way to perform such a spatial reference change.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Thanks in advance!&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Fri, 28 Aug 2015 13:59:56 GMT</pubDate>
      <guid>https://community.esri.com/t5/arcgis-mapping-and-charting-questions/how-to-change-the-spatial-reference-of-a-feature/m-p/349911#M1143</guid>
      <dc:creator>Anonymous User</dc:creator>
      <dc:date>2015-08-28T13:59:56Z</dc:date>
    </item>
    <item>
      <title>Re: How to change the spatial reference of a feature service?</title>
      <link>https://community.esri.com/t5/arcgis-mapping-and-charting-questions/how-to-change-the-spatial-reference-of-a-feature/m-p/1658382#M2821</link>
      <description>&lt;P&gt;I seem to have run into a similar issues, we wish to use a feature service from Esri, all the features are coming out as Esri Default&amp;nbsp;&lt;SPAN&gt;&lt;STRONG&gt;EPSG:3857 - WGS84/Pseudo-Mercator.&lt;/STRONG&gt;..&lt;BR /&gt;&lt;BR /&gt;As we are in the Uk then we need them to be&amp;nbsp;&lt;STRONG&gt;EPSG:27700 - OSGB36/British National Grid&lt;/STRONG&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;I couldn't find a method to change this, despite using the GB Basemaps, saving the layers, even brininging in a new layer that has the GB Basemaps (27700) as it's projection.&lt;/P&gt;&lt;P&gt;I also need to know the correct way to change a projection to &lt;SPAN&gt;&lt;STRONG&gt;EPSG:27700 - OSGB36/British National Grid&lt;/STRONG&gt;&lt;/SPAN&gt;&lt;BR /&gt;Set that as a default... I have a support ticket out at the minute.&lt;BR /&gt;I will put a summary on this ticket once they let me know.&lt;BR /&gt;&lt;BR /&gt;Thanks&lt;/P&gt;&lt;P&gt;Matt&lt;/P&gt;</description>
      <pubDate>Thu, 16 Oct 2025 12:01:27 GMT</pubDate>
      <guid>https://community.esri.com/t5/arcgis-mapping-and-charting-questions/how-to-change-the-spatial-reference-of-a-feature/m-p/1658382#M2821</guid>
      <dc:creator>MattSully</dc:creator>
      <dc:date>2025-10-16T12:01:27Z</dc:date>
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