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Microsoft-Windows-Security-Auditing › Event 4888

Event ID 4888 — Certificate Services denied a certificate request.

Provider
Microsoft-Windows-Security-Auditing
Channel
Security
Audit Policy
Object Access → Certification Services
Collection Priority
Recommended (Microsoft-WEF, others)
Opcode
Info

Description

Certificate Services denied a certificate request.

Message #

Certificate Services denied a certificate request.
	
Request ID: %1
Requester: %2
Attributes: %3
Disposition: %4
SKI: %5
Subject: %6

Fields #

NameDescription
RequestId UnicodeStringRequest ID
Requester UnicodeStringRequester
Attributes UnicodeStringAttributes
Disposition UnicodeStringDisposition
SubjectKeyIdentifier UnicodeStringSKI
Subject UnicodeStringSubject
Request_ID UnicodeString—
SKI UnicodeString—
AuthenticationService UnicodeString—
AuthenticationLevel UnicodeString—
DCOMorRPC UnicodeString—

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Security-Auditing",
    "guid": "54849625-5478-4994-A5BA-3E3B0328C30D",
    "event_source_name": "",
    "event_id": 4888,
    "version": 0,
    "level": 0,
    "task": 12805,
    "opcode": 0,
    "keywords": 9227875636482146304,
    "time_created": "2026-03-13T23:08:24.592652+00:00",
    "event_record_id": 16623083,
    "correlation": {
      "ActivityID": "0D26E79C-B333-0001-07E8-260D33B3DC01"
    },
    "execution": {
      "process_id": 936,
      "thread_id": 7996
    },
    "channel": "Security",
    "computer": "LAB-DC01.ludus.domain",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "RequestId": "25",
    "Requester": "ludus\\domainadmin",
    "Attributes": "",
    "Disposition": "2",
    "SubjectKeyIdentifier": "4b ac 66 32 5d 08 03 7f ab f7 57 ef c3 3d 27 1f 3b e0 3b 01",
    "Subject": ""
  },
  "message": ""
}

References #