If the computer has only one processor, the max degree of parallelism value is ignored.
| Value | Edition of SQL Server |
| 1 | SQL Server Express |
| 2 | SQL Server Workgroup |
| 4 | SQL Server 2008 Web |
| 4 | SQL Server 2008 Standard |
| 32 | SQL Server 2008 Enterprise running on x86 operating systems. |