https://community.intel.com/t5/Intel-Software-Guard-Extensions/error-Intel-PCS-server-returns-error-404/m-p/1735531#M6480 <P>Hello.</P> <P>&nbsp;</P> <P>The platform manifest (which one of the warnings/errors speaks to) is not available.&nbsp; This is the single requirement for registration.&nbsp; Please try an "SGX Factory Reset" in the BIOS.&nbsp; This will generate new platform keys and, therefore, a new platform manifest.&nbsp; This should allow you to register.</P> <P>&nbsp;</P> <P>You can read more about registration in our TDX Enabling Guide (SGX is currently a requirement for TDX attestation):&nbsp;&nbsp;<A href="https://cc-enabling.trustedservices.intel.com/intel-tdx-enabling-guide/02/infrastructure_setup/#platform-registration" target="_blank">Infrastructure Setup - Intel® TDX Enabling Guide</A></P> <P>&nbsp;</P> <P>Regards.</P> <P>&nbsp;</P> <P>Scott</P> Mon, 02 Feb 2026 14:39:02 GMT Scott_R_Intel 2026-02-02T14:39:02Z https://community.intel.com/t5/Intel-Software-Guard-Extensions/error-Intel-PCS-server-returns-error-404/m-p/1735453#M6479 <P><SPAN>The BIOS version is the latest.</SPAN><BR /><SPAN>Tried initializing SGX by disabling SGX, booting the system, enabling SGX, and booting the system again.</SPAN><BR /><SPAN>It always prompts that registration cannot be completed.</SPAN></P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P><P><SPAN>PCKIDRetrievalTool -url <A href="https://localhost:8081" target="_blank">https://localhost:8081</A> -use_secure_cert false Intel(R) Software Guard Extensions PCK Cert ID Retrieval Tool Version 1.21.100.3 Warning: platform manifest is not available or current platform is not multi-package platform. Please input the pccs password, and use "Enter key" to end Error: unexpected error occurred while sending data to cache server. Error: the data couldn't be sent to cache server!<BR /><BR /><BR />server logs<BR /><BR />2026-02-02T03:24:35.960562+00:00 bms03 node[9772]: 2026-02-02 03:24:35.959 [info]: Client Request-ID : 6d103fa6bbaf4210abdaf4bcf37dca77 2026-02-02T03:24:37.214736+00:00 bms03 node[9772]: 2026-02-02 03:24:37.213 [info]: Request-ID is : 1210115b45594496b9c472152458f8c1 2026-02-02T03:24:37.214860+00:00 bms03 node[9772]: 2026-02-02 03:24:37.214 [error]: Intel PCS server returns error(404). 2026-02-02T03:24:37.215025+00:00 bms03 node[9772]: 2026-02-02 03:24:37.214 [error]: Error: No cache data for this platform. 2026-02-02T03:24:37.215071+00:00 bms03 node[9772]: at Module.getPckCertFromPCS (file:///opt/intel/sgx-dcap-pccs/services/logic/commonCacheLogic.js:159:11) 2026-02-02T03:24:37.215114+00:00 bms03 node[9772]: at process.processTicksAndRejections (node:internal/process/task_queues:95:5) 2026-02-02T03:24:37.215147+00:00 bms03 node[9772]: at async LazyCachingMode.registerPlatforms (file:///opt/intel/sgx-dcap-pccs/services/caching_modes/cachingMode.js:163:7) 2026-02-02T03:24:37.215190+00:00 bms03 node[9772]: at async Module.registerPlatforms (file:///opt/intel/sgx-dcap-pccs/services/platformsRegService.js:107:3) 2026-02-02T03:24:37.215239+00:00 bms03 node[9772]: at async postPlatforms (file:///opt/intel/sgx-dcap-pccs/controllers/platformsController.js:52:5) 2026-02-02T03:24:37.217686+00:00 bms03 node[9772]: 2026-02-02 03:24:37.217 [info]: 127.0.0.1 - - [02/Feb/2026:03:24:37 +0000] "POST /sgx/certification/v4/platforms HTTP/1.1" 404 32 "-" "-"</SPAN></P> Mon, 02 Feb 2026 03:30:25 GMT https://community.intel.com/t5/Intel-Software-Guard-Extensions/error-Intel-PCS-server-returns-error-404/m-p/1735453#M6479 mmzz 2026-02-02T03:30:25Z https://community.intel.com/t5/Intel-Software-Guard-Extensions/error-Intel-PCS-server-returns-error-404/m-p/1735531#M6480 <P>Hello.</P> <P>&nbsp;</P> <P>The platform manifest (which one of the warnings/errors speaks to) is not available.&nbsp; This is the single requirement for registration.&nbsp; Please try an "SGX Factory Reset" in the BIOS.&nbsp; This will generate new platform keys and, therefore, a new platform manifest.&nbsp; This should allow you to register.</P> <P>&nbsp;</P> <P>You can read more about registration in our TDX Enabling Guide (SGX is currently a requirement for TDX attestation):&nbsp;&nbsp;<A href="https://cc-enabling.trustedservices.intel.com/intel-tdx-enabling-guide/02/infrastructure_setup/#platform-registration" target="_blank">Infrastructure Setup - Intel® TDX Enabling Guide</A></P> <P>&nbsp;</P> <P>Regards.</P> <P>&nbsp;</P> <P>Scott</P> Mon, 02 Feb 2026 14:39:02 GMT https://community.intel.com/t5/Intel-Software-Guard-Extensions/error-Intel-PCS-server-returns-error-404/m-p/1735531#M6480 Scott_R_Intel 2026-02-02T14:39:02Z