There is an excellent technical guide on fixing up problems that might be encountered while running SBS2008. I recently used the information on one of these guides to fix up an Exchange issue.
The link is here – http://technet.microsoft.com/en-us/library/sbs-2008-repair-guide(WS.10).aspx
Contents from the guide are:
- Manage Windows Small Business Server 2008 applications
- Repair access of administrator account to Windows SharePoint Services
- Repair client deployment issues
- Repair e-mail anti-spam software
- Repair e-mail programs and Microsoft Exchange Server services
- Repair folder redirection and shares
- Repair Forefront Security for Exchange Server
- Repair Microsoft Exchange Server roles in Windows Small Business Server 2008
- Repair monitoring and reporting features in Windows Small Business Server 2008
- Repair Office Live for Windows Small Business Server 2008
- Repair Remote Web Workplace
- Repair the Move Exchange Server Data task
- Repair the POP3 Connector
- Repair the Windows SBS 2008 Console
- Repair Users and Groups features
- Repair Windows Live OneCare
- Repair Windows Server Backup
- Repair Windows Server Update Services
- Repair Windows SharePoint Services
- Repair Windows SharePoint Services after moving the databases
- Synchronize the DSRM Password with the Windows SBS 2008 Network Administrator Password
- How to reinstall the Certification Authority role
