Microsoft KB Archive/166914

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PRB: Cannot Create Multiple Modem/Serial DirectPlay Game Session

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Q166914

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The information in this article applies to:


 * Microsoft DirectX Software Development Kit, version 3.0, on platform(s):
 * the operating system: Microsoft Windows 95
 * Microsoft Windows 2000 Advanced Server
 * Microsoft Windows 2000 Server
 * Microsoft Windows 2000 Professional

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SYMPTOMS
When you use the Modem or Serial line service provider, normally a dialog box that collects connection information (that is, phone number or com port settings) for hosting or joining a game appears. The dialog box does not appear again if you close, release, and then open a new IDirectPlay2 interface object.

RESOLUTION
The only workaround is to exit the process.

STATUS
Microsoft has confirmed this to be a bug in the Microsoft products listed at the beginning of this article.

MORE INFORMATION
Some games are designed to open and then close DirectPlay game sessions multiple times without exiting the process. This does not work properly when you are using either the Modem or Serial line service provider, but does work properly for either the TCP/IP or IPX service provider.

When you are using the IPX service provider, a dialog box requesting the address of the host that is hosting the game you want to join does not appear. IPX uses broadcasts to locate hosts and does not need to ask.

When you are using the TCP/IP service provider, you release an IDirectPlay2 interface object, and then open a new interface, the dialog box that requests the address of the host that is hosting the game you want to join is displayed.

When you are using the Modem service provider, you release an IDirectPlay2 interface object, and then open a new interface, the dialog box requesting the phone number of the host that is hosting the game you want to join is not displayed. Instead, DirectPlay dials the phone number from the previous connection attempt. This is a bug.

When you are using the Serial line service provider, you release an IDirectPlay2 interface object, and then open a new interface, the dialog box requesting com port settings for either hosting or joining a game is not displayed. Instead, DirectPlay uses the settings from the previous connection attempt. This is a bug.

Additional query words:

Keywords : kbnetwork kbAPI kbDirectPlay KbDirectX kbSDKPlatform kbOSWin95bug kbSDKDirectXM300bug kbGrpDSNet

Issue type : kbprb

Technology : kbSDKDirectXsearch kbAudDeveloper