I am having the same abend/high utilization errors. Based on forums posting
http://forums.novell.com/novell-prod...-sessions.html
I have modified the GWIA IMAP4 property for 'Maximum number of items to read (in thousands)' to 1,000 instead of the default. I also reduced the messages in IMAP users mailbox to below a few hundred. These IMAP users are all Mac users and will begin install GW8 Client for Mac soon.