| Event Id | 14109 |
| Source | Microsoft ISA Server Control |
| Description | The ISA Server Standard Edition cannot run. Either the server is using more than 4 processors, or it is configured to use the Active Directory service. Use the source location 100.281.4.0.2161.50 to report the failure. Contact Microsoft (R) Corporation for more information. |
| Event Information | According to Microsoft: CAUSE: This problem occurs if the following conditions are true: • The computer that you install ISA Server on has more than two processors. • Hyper-Threading Technology (HT) is enabled on this computer. This problem occurs because ISA Server 2004 incorrectly determines the number of processors that are installed in a computer when Hyper-Threading Technology is enabled. ISA Server 2004, Standard Edition supports up to four processors. However, if you have Hyper-Threading Technology enabled, ISA Server 2004 makes the following calculation to determine the number of installed processors: The number of physical processors multiplied by 2 equals the number of logical processors in the computer. Note The 2 value reflects the effects of Hyper-Threading Technology on processor recognition. Therefore, if the computer has four physical processors, ISA Server 2004 makes the following calculation: 4 x 2 = 8, where four physical processors are recognized under Hyper-Threading Technology as eight logical processors. In this scenario, ISA Server 2004 incorrectly determines that the computer has eight processors. RESOLUTION: Service pack information: To resolve this problem, obtain and install latest service pack for ISA Server 2004. |
| Reference Links | The ISACTRL and WSPSRV services do not start when you install ISA Server 2004 on a multiprocessor computer How to obtain the latest ISA Server 2004 service pack |
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