Not sure if this is the right fix? We've added this issue to our memory dump diagnostic which can confirm.
Symptoms
Consider the following scenario:
-
You install update 968389 on a computer that is running Windows Vista or Windows Server 2008.
-
You run an application that uses the Schannel functions to handle the user authentication requests.
In this scenario, the memory usage of the application keeps increasing.Note This issue occurs if the application calls the InitializeSecurityContext function or the AcceptSecurityContext function.
Cause
The Schannel.dll module does not free the allocated memory space.
Resolution
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 the problem described in this article. 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:
http://support.microsoft.com/contactus/?ws=supportNote 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, your computer must be running one of the following operating systems:
-
Windows Vista Service Pack 1 (SP1)
-
Windows Vista Service Pack 2 (SP2)
-
Windows Server 2008
-
Windows Server 2008 Service Pack 2 (SP2)
For more information about how to obtain a Windows Vista service pack, click the following article number to view the article in the Microsoft Knowledge Base:
935791 How to obtain the latest Windows Vista service packFor more information about how to obtain a Windows Server 2008 service pack, click the following article number to view the article in the Microsoft Knowledge Base:
968849 How to obtain the latest service pack for Windows Server 2008
Restart requirement
You must restart the computer after you apply this hotfix.
Hotfix replacement information
This hotfix does not replace a previously released hotfix.
File information
The English (United States) version of this hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.
Windows Vista and Windows Server 2008 file information notes
-
The files that apply to a specific product, SR_Level (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table.
Version
Product
SR_Level
Service branch
6.0.600 0. 20xxx
Windows Vista
RTM
LDR
6.0.600 1. 22xxx
Windows Vista and Windows Server 2008
SP1
LDR
6.0.600 2. 22xxx
Windows Vista and Windows Server 2008
SP2
LDR
-
Service Pack 1 is integrated into the release version of Windows Server 2008. Therefore, RTM milestone files apply only to Windows Vista. RTM milestone files have a 6.0.0000.xxxxx version number.
-
The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows Server 2008 and for Windows Vista" section. MUM files and MANIFEST files, and the associated security catalog (.cat) files, are extremely important to maintaining the state of the updated component. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.
For all supported x86-based versions of Windows Vista or of Windows Server 2008
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Schannel.dll |
6.0.6001.22613 |
271,872 |
25-Jan-2010 |
12:33 |
x86 |
|
Schannel.dll |
6.0.6002.22321 |
271,872 |
25-Jan-2010 |
12:38 |
x86 |
For all supported x64-based versions of Windows Vista or of Windows Server 2008
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Schannel.dll |
6.0.6001.22613 |
339,968 |
25-Jan-2010 |
13:06 |
x64 |
|
Schannel.dll |
6.0.6002.22321 |
339,968 |
25-Jan-2010 |
12:19 |
x64 |
|
Schannel.dll |
6.0.6001.22613 |
271,872 |
25-Jan-2010 |
12:33 |
x86 |
|
Schannel.dll |
6.0.6002.22321 |
271,872 |
25-Jan-2010 |
12:38 |
x86 |
For all supported IA-64-based versions of Windows Server 2008
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Schannel.dll |
6.0.6001.22613 |
790,528 |
25-Jan-2010 |
12:29 |
IA-64 |
|
Schannel.dll |
6.0.6002.22321 |
790,528 |
25-Jan-2010 |
12:09 |
IA-64 |
|
Schannel.dll |
6.0.6001.22613 |
271,872 |
25-Jan-2010 |
12:33 |
x86 |
|
Schannel.dll |
6.0.6002.22321 |
271,872 |
25-Jan-2010 |
12:38 |
x86 |
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
More Information
For more information about InitializeSecurityContext (Schannel) function, visit the following Microsoft Web site:
General information about the InitializeSecurityContext (Schannel) function For more information about AcceptSecurityContext (Schannel) function, visit the following Microsoft Web site:
General information about the AcceptSecurityContext (Schannel) function For more information, click the following article number to view the article in the Microsoft Knowledge Base:
968389 Extended Protection for AuthenticationFor more information about software update terminology, 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
Additional file information
Additional file information for Windows Server Vista and for Windows Server 2008
Additional files for all supported x86-based versions of Windows Vista or of Windows Server 2008
|
File name |
Update.mum |
|
File version |
Not Applicable |
|
File size |
3,565 |
|
Date (UTC) |
27-Jan-2010 |
|
Time (UTC) |
06:34 |
|
Platform |
Not Applicable |
|
File name |
X86_078ef2fa81911490d8bba44757cb7a66_31bf3856ad364e35_6.0.6002.22321_none_4494bf337e28bc24.manifest |
|
File version |
Not Applicable |
|
File size |
705 |
|
Date (UTC) |
27-Jan-2010 |
|
Time (UTC) |
06:34 |
|
Platform |
Not Applicable |
|
File name |
X86_27ac1174cbebaeafe999eff034a41ef7_31bf3856ad364e35_6.0.6001.22613_none_38dc825ad438cc91.manifest |
|
File version |
Not Applicable |
|
File size |
705 |
|
Date (UTC) |
27-Jan-2010 |
|
Time (UTC) |
06:34 |
|
Platform |
Not Applicable |
|
File name |
X86_microsoft-windows-security-schannel_31bf3856ad364e35_6.0.6001.22613_none_229822496e65d044.manifest |
|
File version |
Not Applicable |
|
File size |
18,090 |
|
Date (UTC) |
25-Jan-2010 |
|
Time (UTC) |
14:34 |
|
Platform |
Not Applicable |
|
File name |
X86_microsoft-windows-security-schannel_31bf3856ad364e35_6.0.6002.22321_none_2471c3b16b960eab.manifest |
|
File version |
Not Applicable |
|
File size |
18,090 |
|
Date (UTC) |
25-Jan-2010 |
|
Time (UTC) |
14:22 |
|
Platform |
Not Applicable |
Additional files for all supported x64-based versions of Windows Vista or of Windows Server 2008
|
File name |
Amd64_29e4660b7361ec7627842cb74fa0f28f_31bf3856ad364e35_6.0.6001.22613_none_e846748bb3024e5c.manifest |
|
File version |
Not Applicable |
|
File size |
1,060 |
|
Date (UTC) |
27-Jan-2010 |
|
Time (UTC) |
06:34 |
|
Platform |
Not Applicable |
|
File name |
Amd64_a69adc6bc81da8e3cfe36b2de39c0051_31bf3856ad364e35_6.0.6002.22321_none_66bfd9fca78a191f.manifest |
|
File version |
Not Applicable |
|
File size |
1,060 |
|
Date (UTC) |
27-Jan-2010 |
|
Time (UTC) |
06:34 |
|
Platform |
Not Applicable |
|
File name |
Amd64_dcd5b49499048882eaec1f0633ef4fc8_31bf3856ad364e35_6.0.6001.22613_none_3dfcb418a00cf60e.manifest |
|
File version |
Not Applicable |
|
File size |
709 |
|
Date (UTC) |
27-Jan-2010 |
|
Time (UTC) |
06:34 |
|
Platform |
Not Applicable |
|
File name |
Amd64_microsoft-windows-security-schannel_31bf3856ad364e35_6.0.6001.22613_none_7eb6bdcd26c3417a.manifest |
|
File version |
Not Applicable |
|
File size |
18,120 |
|
Date (UTC) |
25-Jan-2010 |
|
Time (UTC) |
15:18 |
|
Platform |
Not Applicable |
|
File name |
Amd64_microsoft-windows-security-schannel_31bf3856ad364e35_6.0.6002.22321_none_80905f3523f37fe1.manifest |
|
File version |
Not Applicable |
|
File size |
18,120 |
|
Date (UTC) |
25-Jan-2010 |
|
Time (UTC) |
14:15 |
|
Platform |
Not Applicable |
|
File name |
Update.mum |
|
File version |
Not Applicable |
|
File size |
3,593 |
|
Date (UTC) |
27-Jan-2010 |
|
Time (UTC) |
06:34 |
|
Platform |
Not Applicable |
|
File name |
Wow64_microsoft-windows-security-schannel_31bf3856ad364e35_6.0.6001.22613_none_890b681f5b240375.manifest |
|
File version |
Not Applicable |
|
File size |
17,557 |
|
Date (UTC) |
25-Jan-2010 |
|
Time (UTC) |
14:24 |
|
Platform |
Not Applicable |
|
File name |
Wow64_microsoft-windows-security-schannel_31bf3856ad364e35_6.0.6002.22321_none_8ae50987585441dc.manifest |
|
File version |
Not Applicable |
|
File size |
17,557 |
|
Date (UTC) |
25-Jan-2010 |
|
Time (UTC) |
14:15 |
|
Platform |
Not Applicable |
Additional files for all supported IA-64-based versions of Windows Server 2008
|
File name |
Ia64_4c5964d6fdab6edc2f6c8f255de9b417_31bf3856ad364e35_6.0.6001.22613_none_5be735ac42810a63.manifest |
|
File version |
Not Applicable |
|
File size |
1,058 |
|
Date (UTC) |
27-Jan-2010 |
|
Time (UTC) |
06:34 |
|
Platform |
Not Applicable |
|
File name |
Ia64_78cb6464cb7d4b822e06a51912fe6182_31bf3856ad364e35_6.0.6001.22613_none_f1f72d2f1e30d3e2.manifest |
|
File version |
Not Applicable |
|
File size |
707 |
|
Date (UTC) |
27-Jan-2010 |
|
Time (UTC) |
06:34 |
|
Platform |
Not Applicable |
|
File name |
Ia64_db0ead295183daf9813f07de75fb70c1_31bf3856ad364e35_6.0.6002.22321_none_e176371b1604023a.manifest |
|
File version |
Not Applicable |
|
File size |
1,058 |
|
Date (UTC) |
27-Jan-2010 |
|
Time (UTC) |
06:34 |
|
Platform |
Not Applicable |
|
File name |
Ia64_microsoft-windows-security-schannel_31bf3856ad364e35_6.0.6001.22613_none_2299c63f6e63d940.manifest |
|
File version |
Not Applicable |
|
File size |
18,105 |
|
Date (UTC) |
25-Jan-2010 |
|
Time (UTC) |
14:15 |
|
Platform |
Not Applicable |
|
File name |
Ia64_microsoft-windows-security-schannel_31bf3856ad364e35_6.0.6002.22321_none_247367a76b9417a7.manifest |
|
File version |
Not Applicable |
|
File size |
18,105 |
|
Date (UTC) |
25-Jan-2010 |
|
Time (UTC) |
13:58 |
|
Platform |
Not Applicable |
|
File name |
Update.mum |
|
File version |
Not Applicable |
|
File size |
2,748 |
|
Date (UTC) |
27-Jan-2010 |
|
Time (UTC) |
06:34 |
|
Platform |
Not Applicable |
|
File name |
Wow64_microsoft-windows-security-schannel_31bf3856ad364e35_6.0.6001.22613_none_890b681f5b240375.manifest |
|
File version |
Not Applicable |
|
File size |
17,557 |
|
Date (UTC) |
25-Jan-2010 |
|
Time (UTC) |
14:24 |
|
Platform |
Not Applicable |
|
File name |
Wow64_microsoft-windows-security-schannel_31bf3856ad364e35_6.0.6002.22321_none_8ae50987585441dc.manifest |
|
File version |
Not Applicable |
|
File size |
17,557 |
|
Date (UTC) |
25-Jan-2010 |
|
Time (UTC) |
14:15 |
|
Platform |
Not Applicable |
