This article lists the Microsoft COM+ bugs that are fixed in
the Microsoft Windows 2000 Post-Service Pack 4 (SP4) COM+ 1.0 Rollup Package 28. Each
package contains all the fixes that were released in the previous Windows 2000
COM+ 1.0 rollup packages.
Issues that are fixed
in the hotfix package
The following issues are fixed in this hotfix package:
MiniJIT allows just-in-time
activated COM+ components to join the context of caller
FIX: You receive an access violation when you try to queue work on a thread that has exited
A memory leak occurs in COM+ when you try to marshal user-defined types from one thread to another
The IRunningObjectTable::EnumRunning method returns a null IEnumMoniker variable
The Dllhost.exe process crashes if you pass by value a user-defined type that contains a BSTR type
The Component Services MMC snap-in may crash when it tries to import COM+ components that are already registered
A race condition in the COM+ Event System can cause the detection of a corrupted IEventSubscription object
The Microsoft Distributed Transaction Service crashes when DTS is used to transfer data between SQL Server and Oracle Database
Microsoft Distributed Transaction Service crash can cause the loss of COM+ Queued Component messages
FIX: The Mtxoci.dll module of the MSDTC XA Transaction Manager may leak threads
The following issues were also fixed in this hotfix package but
were not previously documented in Microsoft Knowledge Base articles:
- Msdtcprx.dll leaks a lock in the session list and causes Msdtc.exe to stop responding (hang).
- Mtxoci.dll blocks new transactions in the Microsoft Distributed Transaction Service (MSDTC) because Mtxoci.dll
waiting on an abort request.
To enable this hotfix, you must manually enter the QueueOciWork registry entry. To do this, following these steps:
- Click Start, click Run, type regedit in the Open box, and then click OK.
- Locate and then click the following subkey in the registry:
- On the Edit menu, point to New, and then click DWORD Value.
- Type QueueOciWork, and then press ENTER.
- On the Edit menu, click Modify.
- Click Decimal, type 1 in the Value data box, and then click OK.
- Queued Components (QCs) cannot process messages.
causes a Microsoft Visual Basic .NET console application to stop responding (hang).
- A race condition causes COM Load Balancing to activate an object on the wrong server.
- The CTransactionVoter class incorrectly ignores a Transaction Abort notification.
- In-doubt transactions are not correctly removed from the in-doubt transactions list.
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that this article describes. Apply it only to systems that are experiencing this specific problem.
To resolve this problem, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:Note
In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.
To install this hotfix, you must have Windows 2000 Service Pack
4 (SP4) or later installed on your computer.
You must restart your computer after you apply this
Hotfix replacement information
This hotfix is not replaced by any later
Resolutions for problems that are fixed in the Windows 2000
COM+ 1.0 rollup packages are cumulative. The following Microsoft Knowledge Base
article contains a list of the problems that are fixed in the previous rollup
INFO: Availability of Windows 2000
Post-Service Pack 4 COM+ Hotfix Rollup Package 27
You do not have to create or to modify any registry keys to open
any hotfixes that are contained in this package.
Hotfix file information
This hotfix contains only those files that you must have to
correct the issues that this article lists. This hotfix may not contain all
the files that you must have to fully update a product to the latest
The English version of this hotfix has the file attributes (or later) 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
26-Jan-2004 18:21 2000.2.3510.0 169,232 Catsrv.dll
26-Jan-2004 18:21 2000.2.3510.0 595,728 Catsrvut.dll
26-Jan-2004 18:21 2000.2.3510.0 96,528 Clbcatex.dll
26-Jan-2004 18:21 2000.2.3510.0 552,720 Clbcatq.dll
26-Jan-2004 18:21 2000.2.3510.0 41,744 Colbact.dll
26-Jan-2004 18:21 2000.2.3510.0 198,416 Comadmin.dll
26-Jan-2004 18:21 2000.2.3510.0 97,552 Comrepl.dll
26-Jan-2004 18:21 2000.2.3421.351 342,288 Comsetup.dll
26-Jan-2004 18:21 2000.2.3510.0 1,467,664 Comsvcs.dll
26-Jan-2004 18:21 2000.2.3510.0 625,936 Comuid.dll
23-Jan-2004 00:04 2000.2.3510.0 1,812,968 Dtcsetup.exe
26-Jan-2004 18:21 2000.2.3510.0 239,888 Es.dll
26-Jan-2004 18:21 2000.2.3510.0 96,016 Msdtclog.dll
26-Jan-2004 18:21 2000.2.3510.0 716,560 Msdtcprx.dll
26-Jan-2004 18:21 2000.2.3510.0 1,139,984 Msdtctm.dll
26-Jan-2004 18:21 2000.2.3510.0 153,872 Msdtcui.dll
23-Jan-2004 00:20 2000.2.3510.0 155,408 Mtstocom.exe
26-Jan-2004 18:21 2000.2.3510.0 52,496 Mtxclu.dll
26-Jan-2004 18:21 2000.2.3510.0 26,896 Mtxdm.dll
26-Jan-2004 18:21 2000.2.3510.0 35,600 Mtxlegih.dll
26-Jan-2004 18:21 2000.2.3510.0 120,592 Mtxoci.dll
26-Jan-2004 18:21 5.0.2195.6892 953,616 Ole32.dll
26-Jan-2004 18:21 5.0.2195.6890 435,472 Rpcrt4.dll
26-Jan-2004 18:21 5.0.2195.6892 211,216 Rpcss.dll
26-Jan-2004 18:21 2000.2.3510.0 398,608 Txfaux.dll
26-Jan-2004 18:21 2000.2.3510.0 18,704 Xolehlp.dll
For additional information about the terminology that Microsoft uses when
it corrects software after it is released, click the following article number to view the article in the Microsoft Knowledge Base:
Description of the standard terminology that is used to describe Microsoft software updates
MS04-012: Cumulative Update for Microsoft RPC/DCOM
Article ID: 828748 - Last Review: August 28, 2006 - Revision: 3.0
- Microsoft COM+ 1.0, when used with:
- Microsoft Windows 2000 Service Pack 4
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