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Article ID: 122501, created on Jul 29, 2014, last review on Apr 9, 2018

  • Applies to:
  • Operations Automation 6.0

Symptoms

Windows Shared Hosting Websites return Service Unavailable error on any page.

Cause

The source of this problem is IIS, which works in 64-bit mode by default. The problems related to IIS functionality in 64-bit mode are described in the following article:

http://support.microsoft.com/?id=895976

IIS 6.0 supports both the 32-bit mode and the 64-bit mode. However, IIS 6.0 does not support running both modes at the same time on a 64-bit version of Windows.

Resolution

  1. To switch IIS to 32-bit mode, the following command should be used:

    cscript %SYSTEMDRIVE%\inetpub\adminscripts\adsutil.vbs SET W3SVC/AppPools/Enable32bitAppOnWin64 1
    

2.To switch IIS back to 64-bit mode, the following command should be used:

    cscript %SYSTEMDRIVE%\inetpub\adminscripts\adsutil.vbs SET W3SVC/AppPools/Enable32bitAppOnWin64 0

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