TITLE
    Mac OS X Public Beta: Internet Applications Do Not Work in the Classic Environment
Article ID:
Created:
Modified: 		106022
9/28/00
11/21/00
TOPIC

    Internet (TCP/IP) applications written to run natively in Mac OS X Public Beta function normally, but TCP/IP applications cannot connect to servers or get name services in the Classic environment.

DISCUSSION

    Symptom

    Error messages like "connection attempt failed" or "name servers not responding" may appear when using TCP/IP applications in the Classic environment. This most often occurs when the Configure DNS menu in the Network pane of the System Preferences application is set to Automatically and the computer is getting configuration information from a BootP server.

    Products affected
    • Mac OS X Public Beta

    Solution

    The Classic TCP/IP Preferences file may become damaged in such a way that DNS services cannot resolve names to IP addresses. Connections made directly to IP addresses continue to work normally.

    To repair the Classic TCP/IP Preferences file, follow these steps:
      1. Quit applications that are open in the Classic environment.
      2. Quit the Classic environment application.
      3. Use Sherlock to locate the file named TCP/IP Preferences on the Classic volume.
      4. Drag the TCP/IP Preferences file to the Trash.
      5. Open the System Preferences application.
      6. Click Network.
      7. Click the lock icon in the lower left corner of the Network pane and enter the administrator's name and password.
      8. Change the Configure DNS pop-up menu to Manually. The DNS addresses that are already present should remain.
      9. Click Apply.

    Note: The Classic application gets its network settings from the Mac OS X Public Beta operating system, but this action does not modify the Mac OS 9 TCP/IP Preferences. If you restart the computer from Mac OS 9, the TCP/IP settings will be the same as they were the last time the computer was started up from Mac OS 9, assuming that the TCP/IP Preferences file has not been removed from the System Folder. The TCP/IP control panel when viewed in Classic may display different settings than the TCP/IP control panel when started up from Mac OS 9. Practically, this means that you can use different settings when started up from the two different operating systems and that they will be preserved.

    If the TCP/IP Preferences file is damaged when you attempt to start up the computer from Mac OS 9, the computer may stop responding. You may resolve that situation by restarting the computer with Mac OS X Public Beta and following the steps in this article. Alternatively, you may start up from Mac OS 9 with extensions disabled (by pressing the Shift key at system startup time) and removing the TCP/IP Preferences file from the Preferences folder located in the System Folder.

Document Information
Product Area: Mac OS System Software
Category: Mac OS X
Sub Category: General Topics
Keywords: kmosX

Copyright © 2000 Apple Computer, Inc. All rights reserved.