broker-connection-event-class.md

title	description	author	ms.author	ms.date	ms.service	ms.subservice	ms.topic	helpviewer_keywords	monikerRange
Broker:Connection Event Class	Broker:Connection Event Class	WilliamDAssafMSFT	wiassaf	05/24/2019	sql	supportability	reference	Broker:Connection event class	>=sql-server-2016||>=sql-server-linux-2017||=azuresqldb-mi-current

Broker:Connection Event Class

[!INCLUDE SQL Server SQL MI]

[!INCLUDEssNoVersion] generates a Broker:Connection event to report the status of a transport connection managed by Service Broker.

Broker:Connection Event Class Data Columns

Data column	Type	Description	Column number	Filterable
ApplicationName	nvarchar	The name of the client application that created the connection to an instance of [!INCLUDEssNoVersion]. This column is populated with the values passed by the application rather than the displayed name of the program.	10	Yes
ClientProcessID	int	The ID assigned by the host computer to the process where the client application is running. This data column is populated if the client process ID is provided by the client.	9	Yes
DatabaseID	int	The ID of the database specified by the USE database statement, or the ID of the default database if no USE databasestatement has been issued for a given instance. [!INCLUDEssSqlProfiler] displays the name of the database if the ServerName data column is captured in the trace and the server is available. Determine the value for a database by using the DB_ID function.	3	Yes
Error	int	The message ID number in sys.messages for the text in the event. If this event reports an error, this is the [!INCLUDEssNoVersion] error number.	31	No
EventClass	int	The type of event class captured. Always 138 for Broker:Connection.	27	No
EventSequence	int	Sequence number for this event.	51	No
EventSubClass	nvarchar	The connection state of this connection. For this event, the subclass is one the following values. Connecting. [!INCLUDEssNoVersion] is initiating a transport connection. Connected. [!INCLUDEssNoVersion] has established a transport connection. Connect Failed. [!INCLUDEssNoVersion] failed to establish a transport connection. Closing. [!INCLUDEssNoVersion] is closing the transport connection. Closed. [!INCLUDEssNoVersion] has closed the transport connection. Accept. [!INCLUDEssNoVersion] has accepted a transport connection from another instance. Send IO Error. [!INCLUDEssNoVersion] encountered a transport error while sending a message. Receive IO Error. [!INCLUDEssNoVersion] encountered a transport error while receiving a message.	21	Yes
GUID	uniqueidentifier	The endpoint ID of this connection.	54	No
HostName	nvarchar	The name of the computer on which the client is running. This data column is populated if the host name is provided by the client. To determine the host name, use the HOST_NAME function.	8	Yes
IntegerData	int	The number of times this connection has been closed.	25	Yes
IsSystem	int	Indicates whether the event occurred on a system process or a user process. 0 = user 1 = system	60	No
LoginSid	image	The security identification number (SID) of the logged-in user. Each SID is unique for each login in the server.	41	Yes
NTDomainName	nvarchar	The Windows domain to which the user belongs.	7	Yes
NTUserName	nvarchar	The name of the user that owns the connection that generated this event.	6	Yes
ObjectName	nvarchar	The conversation handle of the dialog.	34	No
ServerName	nvarchar	The name of the instance of [!INCLUDEssNoVersion] being traced.	26	No
SPID	int	The session ID assigned by [!INCLUDEssNoVersion] to the process associated with the client.	12	Yes
StartTime	datetime	The time at which the event started, when available.	14	Yes
TextData	ntext	The text of the error message related to the event. For events that do not report an error, this field is empty. The error message may either be a [!INCLUDEssNoVersion] error message or a Windows error message.	1	Yes
TransactionID	bigint	The system-assigned ID of the transaction.	4	No

See Also

SQL Server Service Broker