> 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
> released yesterday.
> > 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.