Sync errors

[Derrick]

i have one user that's on outlook 2003, W2K Pro w/SP4,
that's getting sync errors. i have removed and replaced
the profile and still get these errors when using dialup.
We have all updates for the operating system and office
loaded. any suggestions?

1. 18:57:44 Synchronizer Version 11.0.5604
18:57:44 Could not connect to public
folder server.
18:57:44 [8004011D-526-80040115-0]
18:57:44 The Microsoft Exchange Server
computer is not available. Either there are network
problems or the Microsoft Exchange Server computer is down
for maintenance.
(/O=CAST/OU=LosAngeles/cn=Configuration/cn=Servers/cn=CASTM
AIL1)
18:57:44 Microsoft Exchange Server
Information Store
18:57:44 For more information on this
failure, click the URL below:
18:57:44
http://www.microsoft.com/support/prodredirect/outlook2000_u
s.asp?err=8004011d-526-80040115-0
18:57:44 Not downloading Offline address
book files (stored on public folder server).
18:57:44 Synchronizing Mailbox 'Mary Maurer'
18:57:44 Synchronizing Hierarchy
18:57:44 Terminated in error
18:57:44 [80040115-514-0-921]
18:57:44 Network problems are preventing
connection to the Microsoft Exchange Server computer.
18:57:44 Microsoft Exchange Server
Information Store
18:57:44 For more information on this
failure, click the URL below:
18:57:44
http://www.microsoft.com/support/prodredirect/outlook2000_u
s.asp?err=80040115-514-0-921

2. 8:38:50 Synchronizer Version 11.0.5604
8:38:50 Could not connect to public
folder server.
8:38:50 [8004011D-526-80040115-0]
8:38:50 The Microsoft Exchange Server
computer is not available. Either there are network
problems or the Microsoft Exchange Server computer is down
for maintenance.
(/O=CAST/OU=LosAngeles/cn=Configuration/cn=Servers/cn=CASTM
AIL1)
8:38:50 Microsoft Exchange Server
Information Store
8:38:50 For more information on this
failure, click the URL below:
8:38:50
http://www.microsoft.com/support/prodredirect/outlook2000_u
s.asp?err=8004011d-526-80040115-0
8:38:50 Not downloading Offline address
book files (stored on public folder server).
8:38:50 Synchronizing Mailbox 'Mary Maurer'
8:38:50 Synchronizing Hierarchy
8:38:50 Terminated in error
8:38:50 [80040115-514-0-921]
8:38:50 Network problems are preventing
connection to the Microsoft Exchange Server computer.
8:38:50 Microsoft Exchange Server
Information Store
8:38:50 For more information on this
failure, click the URL below:
8:38:50
http://www.microsoft.com/support/prodredirect/outlook2000_u
s.asp?err=80040115-514-0-921

3.10:32:29 Synchronizer Version 11.0.5604
10:32:29 Synchronizing Mailbox 'Mary Maurer'
10:32:29 Synchronizing local changes in folder 'Inbox'
10:32:46 Uploading to
server 'castmail1.castconsultants.com'
10:33:28 Error synchronizing message 'RE: tomorrow'
10:33:28 [8004081E-3EE-0-1370]
10:33:28 Unknown Error.
10:33:28 Microsoft Exchange Server
Information Store
10:33:28 For more information on this
failure, click the URL below:
10:33:28
http://www.microsoft.com/support/prodredirect/outlook2000_u
s.asp?err=8004081e-3ee-0-1370
10:33:28 Moved a message that failed synchronization
to 'Local Failures'. Message subject -> 'RE: tomorrow'.
You can view this message in your offline folder file only.
10:34:16 4 item(s) changed read-state in online
folder
10:34:17 Done

what did i miss?