Windows Small Business Server 2011

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Windows Small Business Server 2011 General Information

Hardware requirements can be found here:

Installing Windows Small Business Server 2011

Small Business Server 2011 - Well known bugs

Cannot resolve names in certain top level domains like

Solution: Set MaxCacheTtl to 2 days or greater, and restart DNS service.
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\DNS\Parameters\MaxCacheTtl=0x2A300 (DWORD (32-bit)) (172800 in decimal = 2 days)

Backup unsuccessful 0x800423f0

If you have SBS 2011 and you or your client installed SharePoint sp1, or some othrt update to SharePoint, you might end up with: Backup unsuccessful. A volume shadow copy service operation failed. Unknown error (0x800423f0)
Backup unsuccessful.png

  1. Open an Administrative command prompt.
  2. Change directory to C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\14\BIN
  3. Run PSConfig.exe -cmd upgrade -inplace b2b -force -cmd applicationcontent -install -cmd installfeatures
  4. Reboot
  5. Test backup again

Small Business Server 2011 Backup

Includes how to register the Microsoft Hyper-V VSS writer with Windows Server Backup

Securing your server

Small Business Server 2011 (SBS 2011) Exchange POP3 Connector