Exchange Mailbox Audit Log Event ID 25009

SourceExchange (LOGbinder EX)
LogMailbox Audit
Windows Security Log
Category
 • Subcategory
Object Access
 • Application Generated
Type Success
Failure
Discussions on Event ID 25009
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25009: Operation SendOnBehalf - Send message using Send on Behalf Exchange mailbox permissions

This is an event from Exchange audit event from LOGbinder EX generated by Log  Mailbox Audit.

On this page

Exchange SendOnBehalf action. User X sent an email message 'on behalf of' User Y. User X must have SendOnBehalf permission on User Y's mailbox.

This event is not logged for logon type: Owner.

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Description Fields in 25009

Field Description
Occurred Date and time when Exchange registered the cmdlet.
Operation Operation performed on the mailbox.
Result Result of the operation:
  • Failed
  • PartiallySucceeded
  • Succeeded
Originating server The host name of the server.
Mailbox GUID Destination of move or copy (if applicable) - Mailbox's Globally Unique Identifier.
Mailbox owner Mailbox user resolved name in the format DOMAIN\SamAccountName.
Mailbox owner UPN Destination of move or copy (if applicable) - Mailbox owner's User Principal Name.
Mailbox owner SID Destination of move or copy (if applicable) - Mailbox owner's SID (Security Identifier).
Folder ID ID of affected folder (if applicable).
Folder name Name of affected folder (if applicable).
Performed user name Display name of the user who performed the operation.
Performed user SID SID of the user who performed the operation.
Performed logon type Logon type of the user who performed the operation. Logon types include:
  • Owner
  • Delegate
  • Admin
Client info Details that identify which client or Exchange component performed the operation.
Client IP address IP address of the client (e.g. Outlook).
Client process name Process name of the client application as reported by the client
Client version Version of the client application as reported by the client.
Item ID ID of affected item (if applicable).
Item subject Subject of affected item (if applicable).
Additional information Additional information, if any (otherwise "n/a").

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Examples of 25009

Send message using Send on Behalf Exchange mailbox permissions
Occurred: 1/20/2013 8:19:48 AM
Operation: SendOnBehalf
Result: Succeeded
Originating server: SP2010-EX1 (14.02.0328.009)
Mailbox
  GUID: 683d3d87-5a39-45a2-b0dc-96974f89317b
  Owner: n/a
  Owner UPN: dbrown@sp2010.com
  Owner SID: S-1-5-21-2141518605-3280587107-2299868870-1216
Folder
  ID: n/a
  Folder: n/a
Performed By
  User name: David Brown
  User SID: S-1-5-21-2141518605-3280587107-2299868870-1216
  Logon type: Owner
Client
  Info: Client=OWA
  IP address: 10.42.1.32
  Process name: n/a
  Version: n/a
Item
  ID: RgAAAABlyPYSYmQjTbbLI+JTF1z6BwCw4talxkWPRLA9CqD+
54ImAAAAJW1GAACw4talxkWPRLA9CqD+54ImAAAAJqROAAAJ
  Subject: Sent as administrator
Additional information: Owner= [Administrator]; LastAccessed= [2013-01-20T08:19:48.2633536-05:00]; LogonType= [Delegate]

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