Availability of Windows 2000 Post-Service Pack 4 COM+ 1.0 Hotfix Rollup Package 30

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SUMMARY

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 30. Each rollup 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 were fixed in this hotfix rollup package but were not previously documented in Microsoft Knowledge Base articles:
  • One or more xa_recover operations that are initiated on separate threads may cause the Distributed Transaction Coordinator (DTC) proxy to stop responding (hang).

    This hotfix includes new code that serializes the xa_recover operation to avoid a race condition that may occur when more than one resource manager thread calls the xa_recover function.
  • A NonRoot COM+ component shutdown causes a transaction to end before the Tx Timeout expires.

    This hotfix includes new code to allow the NonRoot component lifetime to extend the DLLHOST lifetime if a transaction is still active and if the component is enlisted.
  • The xa_rollback function call is not always sent when you perform a rollback with an Oracle-linked server from Microsoft SQL Server.

    This hotfix includes new code to allow Oracle to release locks more quickly when you roll back XA transactions.
  • When you call the xa_open function in a client process while DTC is offline, a memory leak may occur.

    This hotfix includes new code that does not allow an internal DTC object to leak when a connection to Transaction Manager is unavailable and an xa_open function call is in progress.
  • When you start 16-bit servers in a shared virtual DOS machine (VDM), COM uses a different VDM for every activation.

    This hotfix includes new code to allow COM activation logic to automatically start 16-bit servers in a shared VDM.
  • Calls to the xa_commit function that use an invalid exchange identification (XID) in a client process may cause a memory leak.

    This hotfix includes new code to prevent the leak of an internal DTC object when the client calls the xa_commit function and passes an invalid transaction ID.
  • Frame-based interception may no longer work in some scenarios. For example, when you call the ICallFrame::GetMarshalSizeMax method inside the ICallSink::OnCall method, the RPC_S_INVALID_TAG is returned. This problem occurs because a mismatch exists between the DCOM protocol version that the Rpcrt4.dll returns and the minimum DCOM protocol version that is required by Oleaut32.dll. This problem may occur if you have installed the MS04-012 cumulative update for Microsoft remote procedure call (RPC) and for DCOM.
  • The following error messages may be logged in the application event logs:
    DCOM got "The operation succeeded." when trying to logon user Domain\User for application: GUID


    DCOM got "Overlapped I/O is in progress." when trying to logon user Domain\User for application: GUID
    These errors are logged incorrectly. These errors do not indicate that any problems exist that may affect the system.
  • A call to the IRunningObjectTable::Revoke method or to the RevokeActiveObject function on an active object in the running object table (ROT) returns E_INVALIDARG. This problem occurs only if this is a weak registration in the ROT. For example, this problem occurs if the ROTFLAGS_REGISTRATIONKEEPSALIVE flag is not passed into the IRunningObjectTable::Register method. This problem may occur if you have installed the MS04-012 cumulative update for Microsoft RPC and for DCOM.
  • If you set the default impersonation level on a COM+ server application to Anonymous in Component Services on Windows 2000, and then you start the application, you may experience a high CPU utilization condition. The COM+ system application will use most of the CPU time. To work around this issue, do not set your impersonation level to Anonymous.
  • When you make an In-Process method call in a COM+ application on Windows 2000, and you pass a user-defined type from a Visual Basic component, you may experience an access violation.
  • When you move an unauthenticated COM+ Queued Component Message from a Dead Queue back to a Public Queue, the Queued Component Listener will loop infinitely and will generate an Event ID: 4214 application event log message for each iteration.
  • The Comrepl.exe replication tool exports and installs the COM+ application as an "application proxy" from the remote computer to the local computer. When you try to set the identity of the “application proxy,” you may receive the following error message:
    ERROR [wsnic11] : An unexpected error occurred replicating the identity for the application with ID '{95FD1DB7-375E-499B-813B-7A4784AEE60E}'. The identity of the source application may not be a valid account on the target computer. Error code was 8011042a.
  • The netsvcs process may stop responding, or an access violation may occur. You may experience these problems if heap corruption occurs in the Svchost.exe process that contains Netsvcs.dll.
  • When you run a COM+ server application on Windows 2000, a high CPU utilization condition may occur. This problem is caused by excessive registry accesses to look up COM class information.
  • An unhandled exception in the COM service may cause an application to stop responding.
  • An unhandled exception may cause the COM+ system application to quit unexpectedly during the Windows Startup process.
  • A COM Object Lifetime Management "pinging" mechanism may time out. When this problem occurs, you may receive an RPC_E_DISCONNECTED error code, and the server object may be released.
  • On a computer that is running Windows 2000, when you make a call to create the first instance of a COM+ object, and the computer is part of a workgroup, you may experience very slow performance on the first call. All later initialization calls have typical performance speeds.
  • When you make a DCOM call, and you set the RPC Authentication Level flag by using the RPC_C_AUTH_LEVEL_DEFAULT activation time or a later time, the client may receive a 0x8001011a (RPC_E_NO_GOOD_SECURITY_PACKAGES) error message.

Hotfix information

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

Prerequisites

  • Microsoft Windows 2000

Restart information

You must restart your computer after you apply this hotfix.

Hotfix replacement information

This hotfix is not replaced by any later hotfix.

Resolutions for problems that are fixed in the Windows 2000 COM+ 1.0 hotfix rollup packages are cumulative. The following Microsoft Knowledge Base article contains a list of the problems that are fixed in the earlier hotfix rollup package:
  • 828748 Availability of Windows 2000 Post-Service Pack 4 COM+ 1.0 Hotfix Rollup Package 28

Registry information

You do not have to create or modify any registry keys to apply 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 build.

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
   ------------------------------------------------------------
   02-Jun-2004  16:35  2000.2.3515.0      169,232  Catsrv.dll
   02-Jun-2004  16:35  2000.2.3515.0      595,728  Catsrvut.dll
   02-Jun-2004  16:35  2000.2.3515.0       97,040  Clbcatex.dll
   02-Jun-2004  16:35  2000.2.3515.0      552,720  Clbcatq.dll
   02-Jun-2004  16:35  2000.2.3515.0       41,744  Colbact.dll
   02-Jun-2004  16:35  2000.2.3515.0      198,416  Comadmin.dll
   02-Jun-2004  16:35  2000.2.3515.0       97,552  Comrepl.dll
   02-Jun-2004  16:35  2000.2.3421.351    342,288  Comsetup.dll
   02-Jun-2004  16:35  2000.2.3515.0    1,468,176  Comsvcs.dll
   02-Jun-2004  16:35  2000.2.3515.0      625,936  Comuid.dll
   01-Jun-2004  22:09  2000.2.3515.0    1,818,600  Dtcsetup.exe
   02-Jun-2004  16:35  2000.2.3515.0      239,888  Es.dll
   02-Jun-2004  16:35  2000.2.3515.0       96,016  Msdtclog.dll
   02-Jun-2004  16:35  2000.2.3515.0      717,584  Msdtcprx.dll
   02-Jun-2004  16:35  2000.2.3515.0    1,140,496  Msdtctm.dll
   02-Jun-2004  16:35  2000.2.3515.0      153,872  Msdtcui.dll
   01-Jun-2004  22:21  2000.2.3515.0      155,408  Mtstocom.exe
   02-Jun-2004  16:35  2000.2.3515.0       52,496  Mtxclu.dll
   02-Jun-2004  16:35  2000.2.3515.0       26,896  Mtxdm.dll
   02-Jun-2004  16:35  2000.2.3515.0       35,600  Mtxlegih.dll
   02-Jun-2004  16:35  2000.2.3515.0      122,640  Mtxoci.dll
   02-Jun-2004  16:35  5.0.2195.6935      954,640  Ole32.dll
   11-Mar-2004  21:29  5.0.2195.6904      449,808  Rpcrt4.dll
   02-Jun-2004  16:35  5.0.2195.6935      212,240  Rpcss.dll
   01-Jun-2004  21:22  5.0.2195.6934    5,880,832  Sp3res.dll
   02-Jun-2004  16:35  2000.2.3515.0      398,608  Txfaux.dll
   02-Jun-2004  16:35  2000.2.3515.0       18,704  Xolehlp.dll

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.


REFERENCES

For additional 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

Properties

Article ID: 840999 - Last Review: June 2, 2006 - Revision: 2.3
APPLIES TO
  • Microsoft COM+ 1.0, when used with:
    • Microsoft Windows 2000 Service Pack 4
Keywords: 
kberrmsg kbhotfixrollup kbwin2000presp5fix kbfix kbbug kbqfe kbhotfixserver KB840999

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