topic Error Opening feature Class - Unable to create object class extension COM component in Data Management Questions https://community.esri.com/t5/data-management-questions/error-opening-feature-class-unable-to-create/m-p/300951#M17243 <HTML><HEAD></HEAD><BODY><SPAN>Hi</SPAN><BR /><BR /><SPAN>I am having 64 bit Oracle 11g R2 database server in Windows Server 2008 R2 operating System. As well as a another Application Server where Oracle Client 11g R2 64 bit, ArcSDE 10.1, ArcGIS 10.1 SP1 &amp; ArcFM 10.1.1 has been installed.</SPAN><BR /><BR /><SPAN>I have imported dump data in oracle using impdp successfully then enable Enterprise Geodatabase using Database Management toolbox.</SPAN><BR /><BR /><SPAN>I am getting error while opening feature class from ArcCatalog / ArcMap,</SPAN><BR /><BR /><STRONG>Error opening feature class<BR />Unable to create object class extension COM component<BR />[UserName.FeatureClassName]</STRONG><BR /><BR /><SPAN>As per my observation this error is coming in only linear feature class. Rest other feature classes are working fine.</SPAN><BR /><SPAN>Please suggest.</SPAN><BR /><BR /><SPAN>Thanks in advance. </SPAN><BR /><BR /><SPAN>Regards </SPAN><BR /><SPAN>Ashish</SPAN></BODY></HTML> Thu, 26 Dec 2013 03:39:06 GMT Ashish_KumarGupta 2013-12-26T03:39:06Z Error Opening feature Class - Unable to create object class extension COM component https://community.esri.com/t5/data-management-questions/error-opening-feature-class-unable-to-create/m-p/300951#M17243 <HTML><HEAD></HEAD><BODY><SPAN>Hi</SPAN><BR /><BR /><SPAN>I am having 64 bit Oracle 11g R2 database server in Windows Server 2008 R2 operating System. As well as a another Application Server where Oracle Client 11g R2 64 bit, ArcSDE 10.1, ArcGIS 10.1 SP1 &amp; ArcFM 10.1.1 has been installed.</SPAN><BR /><BR /><SPAN>I have imported dump data in oracle using impdp successfully then enable Enterprise Geodatabase using Database Management toolbox.</SPAN><BR /><BR /><SPAN>I am getting error while opening feature class from ArcCatalog / ArcMap,</SPAN><BR /><BR /><STRONG>Error opening feature class<BR />Unable to create object class extension COM component<BR />[UserName.FeatureClassName]</STRONG><BR /><BR /><SPAN>As per my observation this error is coming in only linear feature class. Rest other feature classes are working fine.</SPAN><BR /><SPAN>Please suggest.</SPAN><BR /><BR /><SPAN>Thanks in advance. </SPAN><BR /><BR /><SPAN>Regards </SPAN><BR /><SPAN>Ashish</SPAN></BODY></HTML> Thu, 26 Dec 2013 03:39:06 GMT https://community.esri.com/t5/data-management-questions/error-opening-feature-class-unable-to-create/m-p/300951#M17243 Ashish_KumarGupta 2013-12-26T03:39:06Z Re: Error Opening feature Class - Unable to create object class extension COM compone https://community.esri.com/t5/data-management-questions/error-opening-feature-class-unable-to-create/m-p/300952#M17244 <HTML><HEAD></HEAD><BODY><SPAN>Hi,</SPAN><BR /><BR /><SPAN>you need to install ArcFM extension for your ArcGIS Desktop software.</SPAN><BR /><BR /><SPAN>This will allow you to open any feature classes that requires COM objects.</SPAN><BR /><BR /><BR /><SPAN>Regards,</SPAN></BODY></HTML> Thu, 26 Dec 2013 04:50:18 GMT https://community.esri.com/t5/data-management-questions/error-opening-feature-class-unable-to-create/m-p/300952#M17244 EmadAl-Mousa 2013-12-26T04:50:18Z