The SRV_S_TRACEFLAG property is a bitmap. Its flags, which can be OR’d together, are described in Table 2-27:
Flag  | 
Meaning  | 
|---|---|
SRV_TR_ATTN  | 
Open Server displays information indicating whether the Open Server application has received or acknowledged an attention.  | 
SRV_TR_DEFQUEUE  | 
Open Server traces event queue activity.  | 
SRV_TR_EVENT  | 
Open Server displays information about the events it has triggered.  | 
SRV_TR_MSGQ  | 
Open Server traces message queue activity.  | 
SRV_TR_NETDRIVER  | 
Open Server traces TCL Net-Lib driver requests.  | 
SRV_TR_NETREQ  | 
Open Server traces TCL requests.  | 
SRV_TR_NETWAKE  | 
Open Server traces TCL wakeup requests.  | 
SRV_TR_TDSDATA  | 
Open Server displays TDS packet contents in hexadecimal and ASCII format. This is the actual TDS traffic between a client and the Open Server application.  | 
SRV_TR_TDSHDR  | 
Open Server displays the TDS protocol packet header information, such as packet type and length.  |