Microsoft KB Archive/838976

= FIX: SQLOLEDB stops responding when the sqlxmlx.dll file unloads unexpectedly =

Article ID: 838976

Article Last Modified on 11/15/2007

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APPLIES TO


 * Microsoft Data Access Components 2.8

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SYMPTOMS
When the Microsoft SQL OLE DB Provider (SQLOLEDB) tries to access the sqlxmlx.dll file, and the sqlxmlx.dll file unloads unexpectedly, an access violation occurs, and the SQLOLEDB provider stops responding.

When this problem occurs, the following events are logged:

Event 1

Event Type: Error

Event Source: Application Error

Event Category: (100)

Event ID: 1000

Date: 6/20/2005

Time: 8:09:06 AM

User: N/A

Computer: ServerName

Description:

Faulting application dllhost.exe, version 5.2.3790.0, faulting module sqloledb.dll, version 2000.85.1022.0, fault address 0x0004503f.

For more information, see Help and Support Center at http://support.microsoft.com.

Data: 0000: 41 70 70 6c 69 63 61 74 Applicat 0008: 69 6f 6e 20 46 61 69 6c ion Fail 0010: 75 72 65 20 20 64 6c 6c ure dll 0018: 68 6f 73 74 2e 65 78 65 host.exe 0020: 20 35 2e 32 2e 33 37 39 5.2.379 0028: 30 2e 30 20 69 6e 20 73 0.0 in s 0030: 71 6c 6f 6c 65 64 62 2e qloledb. 0038: 64 6c 6c 20 32 30 30 30 dll 2000 0040: 2e 38 35 2e 31 30 32 32 .85.1022 0048: 2e 30 20 61 74 20 6f 66 .0 at of 0050: 66 73 65 74 20 30 30 30 fset 000 0058: 34 35 30 33 66 4503f

Event 2

Event Type: Error

Event Source: COM+

Event Category: Unknown

Event ID: 4786

Date: 6/20/2005

Time: 8:09:06 AM

User: N/A

Computer: ServerName

Description:

The system has called a custom component and that component has failed and generated an exception. This indicates a problem with the custom component. Notify the developer of this component that a failure has occurred and provide them with the information below.

Component Prog ID:

Server Application ID: {00000000-0000-0000-0000-0000000000000}

Server Application Instance ID: {00000000-0000-0000-0000-000000000000}

Server Application Name: Application Name

The serious nature of this error has caused the process to terminate.

Exception: C0000005

Address: 0x0185503F

Call Stack:

sqloledb!DllMain + 0x255df

sqloledb!DllMain + 0x1c358

sqloledb!DllMain + 0xc1d6

msado15!DllCanUnloadNow + 0x6ab5

msado15!DllGetClassObject + 0x2f28



CAUSE
SQLOLEDB tries to access a global object in the sqlxmlx.dll file. However, the global object is already released, and this behavior causes the access violation.



RESOLUTION
A supported hotfix is now 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 service pack that contains this hotfix.

To resolve this problem, submit a request to Microsoft Online Customer Services to obtain the hotfix. To submit an online request to obtain the hotfix, visit the following Microsoft Web site:

http://go.microsoft.com/?linkid=6294451

Note If additional issues occur or 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. To create a separate service request, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

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 tool in Control Panel.   Date         Time    Version          Size     File name 17-Mar-2004 05:27  2000.85.1038.0     24,576  Odbcbcp.dll

17-Mar-2004 05:26  2000.85.1038.0    401,408  Sqlsrv32.dll

17-Mar-2004 05:15  2000.85.1038.0    208,896  Sqlxmlx.dll Note For a list of all the hotfixes available for MDAC 2.8, click the following article number to view the article in the Microsoft Knowledge Base:

839801 FIX: Hotfixes are available for MDAC 2.8



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.



MORE INFORMATION
For more information, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

