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Failed Certificate Requests via Microsoft CA
Due to Microsoft limitations, creation of the certificate might fail in these situations
- If the FQDN of the Intel AMT device is longer than 64 characters
- If the certificate Subject Name is longer than 256 characters
- If the CN in the Subject Name field is the Distinguished Name, and this Distinguished Name is longer than 256 characters
Solution:
Make sure that the values in the generated certificate will not exceed the maximum values listed above. A possible solution for large values in the Subject Name field is to define a CN that will contain less characters (see User-defined CNs).