Tag: 0x80070005

Requesting certificates via the Network Device Enrollment Service (NDES) fails with error message "The public key does not meet the minimum size required by the specified certificate template. 0x80094811 (-2146875375 CERTSRV_E_KEY_LENGTH)"

Assume the following scenario:

  • A Network Device Enrollment Service (NDES) is implemented in the network.
  • Requesting a certificate fails with the following error message:
"The public key does not meet the minimum size required by the specified certificate template. 0x80094811 (-2146875375 CERTSRV_E_KEY_LENGTH)"

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Requesting certificates via Network Device Enrollment Service (NDES) fails with HTTP error code 500

Assume the following scenario:

  • A Network Device Enrollment Service (NDES) is implemented in the network.
  • The NDES server uses a domain account for the identity of the SCEP IIS application pool.
  • Requesting certificates via NDES fails with HTTP error code 500 (Internal Server Error).
  • Calling the mscep and mscep_admin pages also fails with HTTP error code 500.
  • Even after an iisreset or restart of the NDES server, no event appears after calling the mscep or mscep_admin page that the NDES service has started or that there were errors.

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