Dsamain.exe process crashes when AD LDS instance raises an exception in Windows 8.1 or Windows Server 2012 R2

This article describes an issue that occurs on a Windows 8.1 or Windows Server 2012 R2-based computer that has the Active Directory Lightweight Directory Services (AD LDS) server role installed. A hotfix is available to fix this issue. The hotfix has a prerequisite.

Symptoms

When this issue occurs, an event ID 1011 with the following information is raised in the Application Event log:

Hotfix information

Important If you install a language pack after you install this hotfix, you must reinstall this hotfix. Therefore, we recommend that you install any language packs that you need before you install this hotfix. For more information, see Add language packs to Windows.

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that's described in this article. Apply this hotfix only to systems that are experiencing this specific problem.

If the hotfix is available for download, there's a "Hotfix Download Available" section at the top of this Knowledge Base article. If this section doesn't appear, submit a request to Microsoft Customer Service and Support to get the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that don't qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft website: Note The "Hotfix Download Available" form displays the languages for which the hotfix is available. If you don't see your language, it's because a hotfix isn't available for that language.

Prerequisites

To apply this hotfix, you must have April 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 (2919355) installed in Windows 8.1 or Windows Server 2012 R2.

Registry information

To use the hotfix in this package, you don't have to make any changes to the registry.

Restart requirement

You may have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix doesn't replace a previously released hotfix.
File information

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

Cause

The issue occurs during a topology check by the knowledge consistency checker (KCC) to create the spanning tree algorithm.

During this process, Dsamain.exe references a NULL pointer, and the exception is raised.

References

See the terminology that Microsoft uses to describe software updates.
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Ідентифікатор статті: 3080777 – останній перегляд: 8 вер. 2015 р. – виправлення: 1

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