Windows NT Option Pack (NTOP) Downgrades MDAC Components

• Microsoft Internet Information Server version 4.0

SYMPTOMS

When you install the Windows NT Option Pack (NTOP), some MDAC components may be downgraded to the version that is included with the NTOP regardless of the version of MDAC that is already installed on the computer.

CAUSE

IIS 4.0 ignores the MDAC file and registry version information and installs the version of MDAC included in the IIS 4.0 Setup program.

WORKAROUND

To work around this problem, you can manually suppress the entire MDAC portion of the IIS 4.0 (Option Pack) Setup program.

NOTE: If you do not have a version of MDAC installed before you attempt this workaround, your IIS installation may fail to function properly. MDAC is required by IIS for some of its basic functionality. Use this workaround at your own risk.

To suppress the MDAC installation during IIS 4.0 setup, do the following:

1. Copy the Windows NT Option Pack files to a temporary directory on your hard drive.



2. Edit the Iisv4.inf file in the temporary directory where you copied the IIS 4.0 Setup files.



3. Locate the section [Components.x86], and use a semicolon (;) to comment out the following line:
   

   
   ;DAC=dagsetup.dll,DAGSetup,dagsetup.inf 




4. Repeat step 3 for the section [Components.alpha].

Additional query words:

Keywords :
Version : winnt:4.0
Platform : winnt
Issue type : kbprb