Exchange ActiveSync Errors and Solutions
Just seen this on Jason Langridge’s blog (which if you haven’t seen it already is the place to go for windows mobile device information).
ActiveSync error codes and solutions at PocketPCFAQ.com: Exchange ActiveSync Errors and Solutions
This is also worth a look by the way:
Mobile Devices Support Centre
For example: ‘Backup and restore options that are available through ActiveSync’…!