It seems that Microsoft changes something in their msn protocol, because since 12th January 2009 pidgin cannot communicate with the service any more. While the instant messenger kopete for KDE still works, the multi protocol messenger for mac Adium have the same problem.
I get the error message Unable to retrieve MSN Address Book while starting pidgin this morning . The pidgin community suggests that this is a server-side issue and that the MSN server does no longer supports the MSNP15 protocol.
I found an very easy and quick workaround to get pidgin back working with msn. Just install the msn-pecan package
sudo apt-get install msn-pecan
and reconfigure your msn account by choosing WLM as protocol.
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Januar 13th, 2009 at 18:35
The bug is already fixed by MSN
Januar 14th, 2009 at 09:58
thank you for that comment and your are right msn fixed that issue. Since today i can use the msn protocol in pidgin.