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Huh?
TOPIC
After installing System 7.5 Update 2.0 on my PowerBook 280c, I used the Network Software Selector to switch to Open Transport 1.1 networking software. After restarting, I checked the TCP/IP control panel settings which looked fine. I then launched the Apple Internet Dialer 1.0 and the this error message appeared, "MacTCP does not work with Open Transport. You must use Open Transport TCP. Remove the MacTCP control panel."I looked for MacTCP in the control panel, but it was not there. I opened the Extensions Manager control panel for MacTCP, but it was not listed. I switched back to classic networking and the Apple Internet Dialer worked properly without an error message.
Is there a compatibility issue between the Apple Internet Connection Kit's (AICK) Internet Dialer and Open Transport 1.1?
DISCUSSION
There is no compatibility issue between the Apple Internet Dialer and Open Transport 1.1. The issue is the way the Internet Dialer looks for the MacTCP control panel. The dialer looks for a file, with MacTCP's type, creator, and name "MacTCP" to be present in the Control Panels folder.Since the Network Software Selector makes the MacTCP control panel invisible in the Control Panels folder, the Internet Dialer finds MacTCP and reports the error.
Here is a Workaround
- With classic networking enabled, open the Control Panels folder.
- Create a folder. You may, for example, name it Classic MacTCP. (It does not matter where the new folder is located on your hard disk.)
- Move MacTCP out of the Control Panels Folder and into the folder you just created above.
- Use Network Software Selector to switch to Open Transport 1.1.
- Restart.
The Dialer should now work as expected.
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