Article ID: 948263 - Last Review: February 15, 2008 - Revision: 1.0 Error message when you view a WAN Miniport (SSTP) network adapter or a WAN Miniport (NDISWANBH) network adapter in Device Manager in Windows Vista: "Error code 39"Beta InformationThis article discusses a beta release of a Microsoft product. The information in this article is provided as-is and is subject to change without notice.No formal product support is available from Microsoft for this beta product. For information about how to obtain support for a beta release, see the documentation that is included with the beta product files, or check the Web location where you downloaded the release. SYMPTOMSYou install Windows Vista Service Pack 1 (SP1) on a computer that is running the release version of Windows Vista. When you uninstall Windows Vista SP1, an exclamation point (!) on a yellow field appears next to a WAN Miniport (SSTP) network adapter or next to a WAN Miniport (NDISWANBH) network adapter in Device Manager. When you view the properties of the device, you receive the following error message: Error code 39. CAUSEThis problem occurs because SSTP network adapters and NDISWANBH network adapters are not supported in the release version of Windows Vista. The devices should not be displayed in Device Manager. WORKAROUNDTo work around this problem, you can safely ignore this message in the release version of Windows Vista. The error message that is mentioned in the "Symptoms" section does not affect the uninstallation and reinstallation of Windows Vista SP1. SSTP devices and NDISWANBH devices continue to function correctly when you reinstall Windows Vista SP1. STATUSMicrosoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. APPLIES TO
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