A higher encryption strength is required

The encryption strength of the key or algorithm used in the request does not meet the KDC's minimum security requirements. A stronger key must be used.

References

rfc-editor.org/rfc/rfc4120

In this namespace

← previous KDC_ERR_KEY_EXPIRED Password has expired next → KDC_ERR_MUST_USE_USER2USER Server principal valid for user-to-user only

KDC_ERR_INVALID_CERTIFICATE KDC_ERR_INVALID_SIG KDC_ERR_KDC_NAME_MISMATCH KDC_ERR_KDC_NOT_TRUSTED KDC_ERR_KEY_EXPIRED KDC_ERR_KEY_TOO_WEAK KDC_ERR_MUST_USE_USER2USER KDC_ERR_NAME_EXP KDC_ERR_NEVER_VALID KDC_ERR_NONE KDC_ERR_NULL_KEY