User Authorization Denied

Sent when a user was not authorized.

General Information

Event ID: 44002

Event message details: Authorization request was denied: <Reason>

Severity: Warning

Parameters

Parameter Name

Description

Example

SourceIpAddress

Client IP address.

SourceIpAddress="198.51.100.15"

ClientId

Client ID.

ClientId="veeam-backup-web-ui"

FriendlyName

User name.

FriendlyName="veeamadmin"

Subject

User security identifier.

Subject="UID-veeamadmin"

ResourceId

Resource ID.

ResourceId="veeam-gateway-api-service"

RedirectUri

Redirect URI.

RedirectUri="/"

Reason

Reason to decline the operation. Possible values:

  • -1 — Unknown reason
  • 0 — Request is malformed
  • 1 — Unauthenticated
  • 2 — Account revalidation failed
  • 3 — Password revalidation failed
  • 4 — Client is unauthorized
  • 5 — Resource owner is unauthorized
  • 6 — Too many invalid requests
  • 7 — MFA is required
  • 8 — Unexpected server error occurred
  • 9 — Selected cookie is missing
  • 10 — SAML2 is disabled
  • 11 — GSS is disabled

Reason="1"

VbrHostName

Backup server name. Can be a DNS name, an FQDN or an IP address.

VbrHostName="vbrsrv01.tech.local"

VbrVersion

Veeam Backup & Replication version.

VbrVersion="13.0.1.180"

Version

Event version (service parameter).

Version="1"

Description

Event message details.

Description="Authorization request was denied: an authentication has failed."

Syslog Message Example

1 2025-12-05T18:57:34.193602-07:00 VBRSRV01 Veeam_MP - - [origin enterpriseId="31023"] [categoryId=0 instanceId=44002 SourceIpAddress="198.51.100.15" ClientId="veeam-backup-web-ui" FriendlyName="veeamadmin" Subject="UID-veeamadmin" ResourceId="veeam-gateway-api-service" RedirectUri="/" VbrHostName="vbrsrv01" VbrVersion="13.0.1.180" Version="1" Description="Authorization request was denied: an authentication has failed."]

Page updated 12/5/2025

Page content applies to build 13.0.1.180