You may be unable to connect to a Windows Server 2003-based domain controller by using LDAP over an SSL connection

When an expired certificate is renewed on a Windows Server 2003-based domain controller, you may be unable to connect to the domain controller by using the Lightweight Directory Access Protocol (LDAP) over a Secure Sockets Layer (SSL) connection.

When this problem occurs, the following event may be logged in the System log:

Event Type: Error
Event Source: Schannel
Event Category: None
Event ID: 36876
Description:
The certificate received from the remote server has not validated correctly. The error code is 0x80090328. The SSL connection request has failed. The attached data contains the server certificate.

This problem occurs because the domain controller continues to use the expired certificate until the domain controller restarts.

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain 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 do not 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 Web site: Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

To apply this hotfix, you must have Windows Server 2003 Service Pack 1 or Windows Server 2003 Service Pack 2 installed. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix replaces hotfix 917268. For more information about hotfix 917268, click the following article number to view the article in the Microsoft Knowledge Base:

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

Windows Server 2003 with Service Pack 2, x86-based versions

Windows Server 2003 with Service Pack 2, x64-based versions

Windows Server 2003 with Service Pack 2, Itanium-based versions

Windows Server 2003 with Service Pack 1, x86-based versions

Windows Server 2003, x64-based versions

Windows Server 2003 with Service Pack 1, Itanium-based versions

To work around this problem, restart the domain controller.

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

This hotfix lets the domain controller automatically use a valid domain controller certificate when the previous certificate expires. This process does not require administrative action. Additionally, this process does not interrupt services or applications that depend on the domain controller certificate.

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base: