Sorry for the bug post but unable to upload a file . . .

could someone please tell me why my mfe has stopped working now my exchange server has been upgraded from 2007 SP1 to 2010?

syslog is . . .


Mar 4 11:07:39 Nokia-N900-42-11 [1087]: activesync: AS-COMMON-UTILS Version: libas-common-utils (0.0.2-27+0m5) unstable; urgency=low
Mar 4 11:09:12 Nokia-N900-42-11 [1523]: activesync: AS-COMMON-UTILS Version: libas-common-utils (0.0.2-27+0m5) unstable; urgency=low
Mar 4 11:09:12 Nokia-N900-42-11 [1527]: activesync: AS-COMMON-UTILS Version: libas-common-utils (0.0.2-27+0m5) unstable; urgency=low
Mar 4 11:09:15 Nokia-N900-42-11 activesync[1542]: AS-COMMON-UTILS Version: libas-common-utils (0.0.2-27+0m5) unstable; urgency=low
Mar 4 11:09:22 Nokia-N900-42-11 activesync[1542]: AsConfigReader: unable to read string value of parameter 4 in account ActiveSyncAccount1. Error 5
Mar 4 11:09:22 Nokia-N900-42-11 activesync[1542]: AsConfigReader: unable to read string value of parameter 0 in account ActiveSyncAccount1. Error 5
Mar 4 11:09:22 Nokia-N900-42-11 activesync[1542]: CurlConnectionManager: cannot get CfgConnExchangeServer
Mar 4 11:09:22 Nokia-N900-42-11 activesync[1542]: AsConfigReader: unable to read string value of parameter 5 in account ActiveSyncAccount1. Error 5
Mar 4 11:09:22 Nokia-N900-42-11 activesync[1542]: CurlConnectionManager: cannot get CfgCredUsername
Mar 4 11:09:22 Nokia-N900-42-11 activesync[1542]: AsConfigReader: unable to read string value of parameter 6 in account ActiveSyncAccount1. Error 5
Mar 4 11:09:22 Nokia-N900-42-11 activesync[1542]: CurlConnectionManager: cannot get CfgCredEncryptedPassword
Mar 4 11:09:22 Nokia-N900-42-11 activesync[1542]: AsConfigReader: unable to read string value of parameter 5 in account ActiveSyncAccount1. Error 5
Mar 4 11:09:22 Nokia-N900-42-11 activesync[1542]: SyncScheduler: cannot get CfgCredUsername
Mar 4 11:09:22 Nokia-N900-42-11 activesync[1542]: AsConfigReader: unable to read string value of parameter 0 in account ActiveSyncAccount1. Error 5
Mar 4 11:09:22 Nokia-N900-42-11 activesync[1542]: CurlConnectionManager: cannot get CfgConnExchangeServer
Mar 4 11:09:22 Nokia-N900-42-11 activesync[1542]: SyncScheduler: Cancel all actions
Mar 4 11:09:22 Nokia-N900-42-11 activesync[1542]: ASDAEMON Version: 'as-daemon (0.0.2-28+0m5) unstable; urgency=low' starting
Mar 4 11:09:22 Nokia-N900-42-11 activesync[1542]: GLIB DEBUG ConIc - con_ic_connection_send_event(0x18fc08, Vodafone Internet GPRS, GPRS, 0)
Mar 4 11:09:22 Nokia-N900-42-11 activesync[1542]: ICListener: IAP 'Vodafone Internet GPRS' with bearer 'GPRS': connected; count 1
Mar 4 11:09:22 Nokia-N900-42-11 activesync[1542]: StoreProxyImpl::getContactVersion not ready to get version, folderId=
Mar 4 11:09:22 Nokia-N900-42-11 activesync[1542]: StoreProxyImpl::getContactVersion not ready to get version, folderId=
Mar 4 11:10:37 Nokia-N900-42-11 activesync[1542]: CurlConnectionManager: cURL errorcode = 60
Mar 4 11:10:37 Nokia-N900-42-11 activesync[1542]: CurlConnectionManager: cURL errorcode = 6
Mar 4 11:11:43 Nokia-N900-42-11 activesync[1542]: AS-LIB: Version: libas-protocol (0.0.2-27+0m5) unstable; urgency=low
Mar 4 11:11:44 Nokia-N900-42-11 activesync[1542]: HTTP STATUS: 400
Mar 4 11:11:44 Nokia-N900-42-11 activesync[1542]: AS-LIB: Received HTTP response 400. Factory not created
Mar 4 11:16:14 Nokia-N900-42-11 activesync[1542]: AS-LIB: Version: libas-protocol (0.0.2-27+0m5) unstable; urgency=low
Mar 4 11:16:15 Nokia-N900-42-11 activesync[1542]: HTTP STATUS: 400
Mar 4 11:16:15 Nokia-N900-42-11 activesync[1542]: AS-LIB: Received HTTP response 400. Factory not created