topic Unable to complete operation. Error executing tool.: Layer &quot;layer1&quot;: Unable to connect to map server at in ArcGIS JavaScript Maps SDK Questions https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/unable-to-complete-operation-error-executing-tool/m-p/645489#M60171 <HTML><HEAD></HEAD><BODY><P>I came across this issue yesterday and it took a bit to figure out. Thought I would post it here to aid others.</P><P></P><P>We have two ArcGis servers and a web adapter setup. ArcGis servers on running on the default cluster.</P><P></P><P>When I submitted a print job, I received the following error on all my MapServices.</P><P></P><P><SPAN>Unable to complete operation. Error executing tool.: Layer "layer1": Unable to connect to map server at </SPAN><A class="jive-link-external-small" href="https://community.esri.com/external-link.jspa?url=http%3A%2F%2F" rel="nofollow" target="_blank">http://</A><SPAN>.... </SPAN></P><P></P><P>Turned out the two user that the ArcGis servers were running under did not have permission to see the Web adapter server. Once I added the ArcGis NT User to the group that has access to the Web Adapter server, all was well.</P></BODY></HTML> Thu, 28 Jan 2016 19:46:03 GMT JordanBaumgardner 2016-01-28T19:46:03Z Unable to complete operation. Error executing tool.: Layer "layer1": Unable to connect to map server at https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/unable-to-complete-operation-error-executing-tool/m-p/645489#M60171 <HTML><HEAD></HEAD><BODY><P>I came across this issue yesterday and it took a bit to figure out. Thought I would post it here to aid others.</P><P></P><P>We have two ArcGis servers and a web adapter setup. ArcGis servers on running on the default cluster.</P><P></P><P>When I submitted a print job, I received the following error on all my MapServices.</P><P></P><P><SPAN>Unable to complete operation. Error executing tool.: Layer "layer1": Unable to connect to map server at </SPAN><A class="jive-link-external-small" href="https://community.esri.com/external-link.jspa?url=http%3A%2F%2F" rel="nofollow" target="_blank">http://</A><SPAN>.... </SPAN></P><P></P><P>Turned out the two user that the ArcGis servers were running under did not have permission to see the Web adapter server. Once I added the ArcGis NT User to the group that has access to the Web Adapter server, all was well.</P></BODY></HTML> Thu, 28 Jan 2016 19:46:03 GMT https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/unable-to-complete-operation-error-executing-tool/m-p/645489#M60171 JordanBaumgardner 2016-01-28T19:46:03Z