I deleted my hotmail account and added it again. This works fine, but is a
pain... I am not sure what happened. Maybe the Microsoft updates that were
> Same problem here as well only it started yesterday afternoon for me.
>
> More info from the Sync Issues Folder:
>
> The following issues occured while synchronizing with the server:
>
> Folder Collection Sync Key: 0{7B51CF61-483C-4EEC-94F0-7DEBBCA57AB8}352
>
> Message Collection Sync Key: 0{4D495D90-18E0-4D23-A668-8DADF9042113}352
>
> There is an error synchronizing your mail account. Please verify your
> account has been configured correctly by first accessing your mail on the web.
> Error: 4102. Client. Cannot change immutable data: MessageClass.
>
> No Joy with Microsoft Help either. Outlook Connector Help needs a Product ID
> but rejects the ID from Outlook Connector Help as being in the wrong format?
>
> I'm almost to the point of deleting the Hotmail account then putting it back
> in to see if that works...but I'd rather not if there's a better solution!
>
> Thanks in advance for any help.
>
>
>
> "_Jeff_" wrote:
>
> > This was working fine yesterday, and now... Not. Does anyone have any ideas?
> > Below is the log entry:
> >
> > Time: 10/31/2007 7:38:53 AM
> > Error in Mail
> > There is an error synchronizing your mail account. Please verify your
> > account has been configured correctly by first accessing your mail on the web.
> > Error: 4102. Client. Cannot change immutable data: MessageClass.
> >
> > Now I can access my mail fine on the web, and there have been no changes in
> > my web account since yesterday. I actually have not logged into my web
> > account for quite a while because the Connector has been working.