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Article ID: 884004 - Last Review: December 3, 2007 - Revision: 2.5
"You must install Internet Security and Acceleration Server 2000 Service Pack 1 and
Important This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:
256986Â
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Description of the Microsoft Windows Registry
When you upgrade to Microsoft Windows Small Business Server 2003 from Small Business Server 2000, you may receive the following error message:
You must install Internet Security and Acceleration Server 2000 Service Pack 1 and
update before upgrading.
This issue may occur in any one of the following scenarios:
- Microsoft Internet Security and Acceleration (ISA) Server 2000 Service Pack 1 (SP1) is not installed on your computer.
- The ISA Server 2000: Required Updates for Windows Server 2003 (Isahf255.exe) update is not installed on your computer.
- ISA Server 2000 Service Pack 2 (SP2) is installed on your computer, but the Isahf255.exe update is not installed.
Warning If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.
To resolve this issue, use one of the following methods:
Method 1
Install ISA Server 2000 SP1 if it is not installed on your computer, and then make sure that the Isahf255.exe update is also installed. To do this, follow these steps:
- Download and install ISA Server 2000 SP1 if it is not installed.
To obtain ISA Server 2000 SP1, visit the following Microsoft Web site: - Make sure that the Isahf255.exe update is installed on your computer. To do this, follow these steps:
- Click Start, click Run, type regedit in the Open box, and then click OK.
- Locate the following registry subkey:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Fpc\hotfixes\sp1\255
- If the 255 subkey is not in the registry, download and install the Isahf255.exe update. To obtain the Isahf255.exe update, visit the following Microsoft Web site:
Method 2
If ISA Server 2000 SP2 is installed on your computer, follow these steps to manually create the
255 registry subkey:
- Click Start, click Run, type regedit in the Open box, and then click OK.
- Locate the following registry subkey:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Fpc\hotfixes\sp1
- Right-click the sp1 subkey, point to New, and then click Key.
- Type 255, and then press ENTER.
- Quit Registry Editor.
Note ISA Server 2000 SP2 includes more recent files than the files that are included in the Isahf255.exe update.
APPLIES TO
- Microsoft Windows Small Business Server 2003 Standard Edition
- Microsoft Windows Small Business Server 2003 Premium Edition
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