I get three errors in the Intellisync Mobile Suite eventlog. I have the service configured to restart if it fails. It does fail and restart every 10-30 minutes. What could be causing this?

Server is Windows Server 2003 R2 - 2GB RAM

ISM is Server Version 9.0.20.19
Client Pack Version 9.0.3.11

Full event log entries are:

Event Type: Information
Event Source: Intellisync Mobile Suite Service
Event Category: None
Event ID: 2001
Date: 27.10.2009
Time: 19:08:20
User: N/A
Computer: [snip]
Description:
Intellisync Mobile Suite service was started

Event Type: Error
Event Source: DataSync MobileGateway Application
Event Category: None
Event ID: 60013
Date: 27.10.2009
Time: 19:08:22
User: N/A
Computer: [snip]
Description:
A required startup step failed to complete successfully. The Communications Server cannot continue.

Event Type: Error
Event Source: Intellisync Mobile Suite
Event Category: None
Event ID: 0
Date: 27.10.2009
Time: 20:17:14
User: N/A
Computer: [snip]
Description:
A program unexpectedly failed. Diagnostic information follows: //========10-27-2009 20:17:11========
Platform: 05.02.3790 Service Pack 2
System info: 2 processor(s)
Memory info: 69 percent of memory is in use.
2094968 KB total physical memory.
634396 KB free physical memory.
4044760 KB total paging file.
2750580 KB free paging file.
2097024 KB total virtual memory.
1104104 KB free virtual memory.
0 KB free extended memory.
Exception code: C0000005 ACCESS_VIOLATION
Faulting process: D:\Program Files\Intellisync Mobile Suite\bin\SyncServer.exe - version = 9.0.20.19
Fault address: 04FF069C 0001:0004F69C D:\Program Files\Intellisync Mobile Suite\PIM\RSGExchExt.dll - version = 9.0.20.19

Registers:
EAX:000495E3
EBX:04CFA758
ECX:00000000
EDX:00000000
ESI:0505D150
EDI:4FE51ED7
CS:EIP:001B:04FF069C
SS:ESP:0023:0C79FF64
EBP:0C79FFB8
DS:0023 ES:0023 FS:003B GS:0000
Flags:00010283

Call stack:
Address Frame Function
04FF069C 0C79FFB8 0001:0004F69C D:\Program Files\Intellisync Mobile Suite\PIM\RSGExchExt.dll -- ExchangeMAPIHangDetectionTermination()+11
77E6482F 0C79FFEC 0001:0002382F C:\WINDOWS\system32\kernel32.dll -- GetModuleHandleA()+DF