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OBEX Registry Settings

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The registry stores information necessary to configure the system for applications and hardware devices. The registry also contains information that the operating system (OS) continually references during operation.

Note   The default registry values vary depending on which features are included in your platform. For more information, see Default Registry Settings.

Enables OBEX IrDA hint bit

The following table shows the registry values for the HKEY_LOCAL_MACHINE\Comm\IrDA registry key.

Value Description
Hints Default setting is hexadecimal 8224. This DWORD indicates the device's IrDA capabilities. When two devices want to establish an IrDA connection, they exchange capabilities by using this value. Some devices require that specific capabilities are supported, and will not connect if the required support is not present.

The following list shows the meaning of the first two digits of the value. These can be used in combination. For example, in the default setting, 82 indicates that there is another byte of capabilities, and that this is a PDA or palmtop device.

  • 0x01 indicates that this device is PnP Compatible.
  • 0x02 indicates that this device is a PDA/palmtop.
  • 0x04 indicates that this device is a Computer.
  • 0x08 indicates that this device is a Printer.
  • 0x10 indicates that this device is a Modem.
  • 0x20 indicates that this device is a Fax.
  • 0x40 indicates that this device is provides LAN Access.
  • 0x80 indicates that there is another byte of capabilities.

The following list shows the meaning of the second two digits of the value. These can be used in combination. For example, in the default setting, 24 indicates IrObex and IrCOMM.

  • 0x01 indicates that this device supports Telephony.
  • 0x02 indicates that this device supports File Server.
  • 0x04 indicates that this device supports IrCOMM.
  • 0x08 is reserved.
  • 0x10 is reserved.
  • 0x20 indicates that this device supports IrOBEX.
  • 0x40 is reserved.
  • 0x80 indicates that there is another byte of capabilities.

Enable the OBEX Server

Based on registry entries, OBEX is registered with Services.exe during device start up. The following table shows the registry values for the HKEY_LOCAL_MACHINE\Services\OBEX registry key.

Value Description
DLL Default Setting is OBEXSrVr.dll. The Dynamic-link library (DLL) file to be loaded.
Keep Default Setting is 1. Specifies whether to postpone loading the DLL after initialization. When this DWORD value is zero (0), the DLL is loaded immediately.
Order Default Setting is 9. The order in which the service is loaded. The service with the lowest DWORD value is loaded first.
Prefix Default Setting is OBX. Prefix of the DLL to be loaded.
Index Default Setting is zero (0). Service index.

For more information about how these values are used when the system starts, see Services.exe at System Startup.

IrDA and Bluetooth Transports

The following table shows the registry values for the HKEY_LOCAL_MACHINE\Software\Microsoft\Obex\Transports\{30a7bc02-59b6-40bb-aa2b-89eb49ef274e} registry key.

Value Description
Name Default Setting is IRDA. Specifies the IrDA transport.

The following table shows the registry values for the HKEY_LOCAL_MACHINE\Software\Microsoft\Obex\Transports\{30a7bc03-59b6-40bb-aa2b-89eb49ef274e} registry key.

Value Description
Name Default Setting is Bluetooth. Specifies the Bluetooth transport.

OBEX Server Options

The following table shows the registry values for the HKEY_LOCAL_MACHINE\Software\Microsoft\Obex registry key.

Value Description
DebugOutputMask Default Setting is zero (0). The mask of enabled debug zones. The following list shows the DWORD values you can use:
  • 0x00010000 to mask output errors
  • 0x00020000to mask output warnings
  • 0x00040000 to mask output packets
  • 0x00080000 to mask output protocols
  • 0x00100000 to mask output initialization information.
  • 0x00200000 to mask output maintainence work.
DebugOutputChannels Default Setting is 4. The mask of OBEX debug output channels. DWORD.
protocols Default Setting is bth,irda.

To remove or add protocols, you can change this value. For example, if you want only IrDA, change the value to irda. Then, restart OBEX with the new settings by issuing IOCTL_SERVICE_REFRESH.
IsEnabled Default Setting is zero (0). The status of the OBEX Server. This value can be either zero (0) (Disabled) or 1 (Enabled).

For information about how to disable Obex, see Server Support.

Obex Default Inbox

The following table shows the registry values for the HKEY_LOCAL_MACHINE\Software\Microsoft\Obex\Services\{00000000-0000-0000-0000-000000000000} registry key.

Value Description
BaseDir Default Setting is \\My Documents\\DefaultInbox. The directory where the FTP Server puts files.
DisableUI Default DWORD value is 0. When this value is 1, all UI prompts are disabled, except for the upload and overwrite prompts. (Upload and overwrite prompts can be disabled using the PromptBeforeUpload and PromptForOverwrite registry settings.)
Server Default Setting is obexinbx.dll. The OBEX inbox DLL.
BluetoothSdpRecord A record sent to SDP for OBEX. Default Setting is:

hexidecimal:35,5f,09,00,01,35,03,19,11,05,09,00,04,35,11,35,\

03,19,01,00,35,05,19,00,03,08,0a,35,03,19,00,08,\

09,00,06,35,09,09,65,6e,09,00,6a,09,01,00,09,00,\

09,35,08,35,06,19,11,05,09,01,00,09,01,00,25,10,\

4f,42,45,58,20,4f,62,6a,65,63,74,20,50,75,73,68,\

09,03,03,35,0c,35,02,08,01,35,02,08,02,35,02,08,\

03
PromptBeforeUpload Default DWORD value is 1. When this value is 1, the Server prompts the user to accept the file. If this value is zero (0), this security check is disabled.
PromptForOverwrite Default DWORD value is 1. When this value is 1, the Server prompts the user to overwrite a file. If this value is zero (0), this security check is disabled.

The following table shows the registry values for the HKEY_LOCAL_MACHINE\Software\Microsoft\Obex\Services\{00000000-0000-0000-0000-000000000000}\MimeTypes registry key.

Value Description
DefaultFile Default is vCard. A string that specifies the default file to send.
DLL A string that indicates the dll of the service header to load. After the DLL is loaded, getProcAddress is called for the ObexInboxClient.
Extension Default is .vcd. A string of file extensions for the MIME type.

Obex File Server

The following table shows the registry values for the HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Obex\Services\{f9ec7bc4-953c-11d2-984e-525400dc9e09} registry key.

Value Description
BaseDir Default Setting is \\Temp\\Ftp. The directory where the FTP Server puts files.
Server Default Setting is obexfile.dll. The OBEX file server DLL.
CanWrite Default Setting is zero (0). Specifies whether the file server allows read/write access. This value is zero (0) for read only acces. When the value is any value other than zero (0), the file server allows read and write access.
BluetoothSdpRecord A record sent to SDP for OBEX.

Default Setting is:

hexidecimal:35,41,09,00,01,35,03,19,11,06,09,00,04,35,11,35,\

03,19,01,00,35,05,19,00,03,08,0a,35,03,19,00,08,\

09,00,06,35,09,09,65,6e,09,00,6a,09,01,00,09,00,\

09,35,08,35,06,19,11,06,09,01,00,09,01,00,25,03,\

46,54,50
Password The password, which is a string in nonencrypted text.
Authenticate This value is a DWORD. If this value is zero (0), then no authentication is required.
Transport Authenticate This value is a DWORD. This value requests tranport authentication.

See Also

Object Exchange Protocol

 Last updated on Friday, April 09, 2004

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