Windows Security Log Event ID 4821
| Operating Systems |
Windows 2012 R2 and 8.1
Windows 2016 and 10
Windows Server 2019 and 2022
|
Category
• Subcategory | System
• Other System Events |
|
Type
|
Failure
|
Corresponding events
in Windows
2003
and before |
|
4821: A Kerberos service ticket was denied because the user, device, or both does not meet the access control restrictions
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This event is new to Server 2012 R2. It does not appear in earlier versions.
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A Kerberos service ticket was denied because the user, device, or both does not meet the access control restrictions.
Account Information:
Account Name: %1
Account Domain: %2
Logon GUID: %11
Authentication Policy Information:
Silo Name: %13
Policy Name: %14
Device Information:
Device Name: %3
Service Information:
Service Name: %4
Service ID: %5
Network Information:
Client Address: %8
Client Port: %9
Additional Information:
Ticket Options: %6
Ticket Encryption Type: %7
Failure Code: %10
Transited Services: %12
This event is generated every time access is requested to a resource such as a computer or a Windows service. The service name indicates the resource to which access was requested.
This event can be correlated with Windows logon events by comparing the Logon GUID fields in each event. The logon event occurs on the machine that was accessed, which is often a different machine than the domain controller which issued the service ticket.
Ticket options, encryption types, and failure codes are defined in RFC 4120.
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