Some of you have reported issues with syncing your Hotmail on your mobile using our latest Windows Live for Windows Mobile client. The error message reported on the client says: "There is a problem with the server. Please try again later."
We have investigated this issue and have identified the root cause. We are working hard towards a solution and will keep you updated on our progress. In the meantime, you can try the following work-around as suggested in our release notes:
Try moving messages out of your inbox (or folder that fails to sync.) into a different folder that is not being synced with your mobile, then try syncing on your mobile again.
We are aware that this issue causes a lot of pain to those affected by it. We apologize for the inconvenience and thank you for your continued support while we improve our service.