This issue can be resolved by updating the server to AppleShare IP 6.2 and the client to Mac OS 8.6. AppleShare IP 6.0 and 6.1 users may download install the ASIP 6.2 update from the Apple Software Updates Web site at
http://www.apple.com/swupdates.
Mac OS 8.5 and 8.5.1 users may download and install the Mac OS 8.6 update from the Apple Software Updates Web site at
http://www.apple.com/swupdates.