https://communities.vmware.com/t5/Virtual-Appliances-Discussions/vCenter-6-7-Certificate-Verification-Failed/m-p/2985819#M10143 <LI-SPOILER>same here, can't manage to find solution on the web.</LI-SPOILER> Fri, 08 Sep 2023 08:32:08 GMT doppo 2023-09-08T08:32:08Z https://communities.vmware.com/t5/Virtual-Appliances-Discussions/vCenter-6-7-Certificate-Verification-Failed/m-p/2985816#M10141 <P><SPAN>Previously my vcenter was functioning normally, then an error appeared.</SPAN></P><DIV>"[400] An error occured while sending an authenticationrequest to the vCenter Single Sign-On server - An error occured when processing the metadata during vCenter Single Sign-Onsetup - Failed to connect to VM ware Lookup service</DIV><DIV>Back to login screen<SPAN>&nbsp;</SPAN><A href="https://192.168.17.100.443/lookupservice/sdk" target="_blank" rel="noopener noreferrer">https ://IPvCenter/lookupservice/sdk</A><SPAN>&nbsp;</SPAN>- SSL certificateverification failed"</DIV><DIV>&nbsp;</DIV><DIV>&nbsp;</DIV><P><SPAN>I then checked my ssl certificate and the result is "Not Such File or Directory)&nbsp; (image 1). Then I tried regenerating the VMCA SSL certificate. certificate added successfully, but still unable to login to vCenter. error 503 Endpoint appears in login (image 2)</SPAN></P> Fri, 08 Sep 2023 07:26:42 GMT https://communities.vmware.com/t5/Virtual-Appliances-Discussions/vCenter-6-7-Certificate-Verification-Failed/m-p/2985816#M10141 Zazaza7 2023-09-08T07:26:42Z https://communities.vmware.com/t5/Virtual-Appliances-Discussions/vCenter-6-7-Certificate-Verification-Failed/m-p/2985819#M10143 <LI-SPOILER>same here, can't manage to find solution on the web.</LI-SPOILER> Fri, 08 Sep 2023 08:32:08 GMT https://communities.vmware.com/t5/Virtual-Appliances-Discussions/vCenter-6-7-Certificate-Verification-Failed/m-p/2985819#M10143 doppo 2023-09-08T08:32:08Z