"Windows was unable to save all the data for the file" error when you log off from an RD Session Host server

Applies To
Windows 8 Windows 8 Enterprise Windows 8 Pro Windows Server 2012 Datacenter Windows Server 2012 Datacenter Windows Server 2012 Standard Windows Server 2012 Standard

Symptoms

Consider the following scenario. You have a Windows Server 2012-based Remote Desktop Services (RDS) collection and are logged on to a Remote Desktop (RD) Session Host server. In this scenario, when you log off from the RD Session Host server, the following error message is logged in the System log:

Note

NTFS Event Number: 50
"NTFS - Delayed Write Host"
"Windows was unable to save all the data for the file \$LogFile. The data has been lost. This error may be caused by a failure of your computer hardware or network connection. Please try to save this file elsewhere."

      

Resolution

Hotfix information

A supported hotfix is available from Microsoft Support. 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, go to the following Microsoft website:

http:⁠//support.microsoft.com/contactus/?ws=support 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 be running Windows 8 or Windows Server 2012.

Restart requirement

You do not have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any 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 8 and Windows Server 2012 file information and notesImportant Windows 8 and Windows Server 2012 hotfixes are included in the same packages. However, only "Windows 8" is listed on the Hotfix Request page. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 8" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.

  • The files that apply to a specific product, milestone (RTM,SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table.

    Version Product Milestone Service branch
    6.2.920 0.20 xxx Windows 8 and Windows Server 2012 RTM LDR
  • 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 8 and Windows Server 2012" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely important to maintain the state of the updated components. 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 8

File name File version File size Date Time Platform
Vmrdvcore.dll 6.2.9200.20996 293,376 22-Mar-2014 01:37 x86
Rdvvmtransport.dll 6.2.9200.20996 66,048 22-Mar-2014 04:16 x86
Sessenv.dll 6.2.9200.20996 249,344 22-Mar-2014 04:16 x86

For all supported x64-based versions of Windows 8 and of Windows Server 2012

File name File version File size Date Time Platform
Vmrdvcore.dll 6.2.9200.20996 354,304 22-Mar-2014 01:58 x64
Rdvvmtransport.dll 6.2.9200.20996 81,920 22-Mar-2014 04:25 x64
Sessenv.dll 6.2.9200.20996 291,328 22-Mar-2014 04:25 x64
Rdvvmtransport.dll 6.2.9200.20996 66,048 22-Mar-2014 04:16 x86
Sessenv.dll 6.2.9200.20996 249,344 22-Mar-2014 04:16 x86

Additional file information

Additional file information for Windows 8 and for Windows Server 2012

Additional files for all supported x86-based versions of Windows 8

File name Package_1_for_kb2954110~31bf3856ad364e35~x86~~6.2.1.0.mum
File version Not applicable
File size 1,851
Date (UTC) 24-Mar-2014
Time (UTC) 20:05
Platform Not applicable
File name Package_2_for_kb2954110~31bf3856ad364e35~x86~~6.2.1.0.mum
File version Not applicable
File size 1,840
Date (UTC) 24-Mar-2014
Time (UTC) 20:05
Platform Not applicable
File name Package_3_for_kb2954110~31bf3856ad364e35~x86~~6.2.1.0.mum
File version Not applicable
File size 1,841
Date (UTC) 24-Mar-2014
Time (UTC) 20:05
Platform Not applicable
File name Package_4_for_kb2954110~31bf3856ad364e35~x86~~6.2.1.0.mum
File version Not applicable
File size 1,829
Date (UTC) 24-Mar-2014
Time (UTC) 20:05
Platform Not applicable
File name Package_for_kb2954110_rtm~31bf3856ad364e35~x86~~6.2.1.0.mum
File version Not applicable
File size 2,941
Date (UTC) 24-Mar-2014
Time (UTC) 20:05
Platform Not applicable
File name X86_469d1d5aedf5507a36286674d7524755_31bf3856ad364e35_6.2.9200.20996_none_a49b3794a99aa568.manifest
File version Not applicable
File size 708
Date (UTC) 24-Mar-2014
Time (UTC) 20:05
Platform Not applicable
File name X86_ab3cbcef928eefdd102706c1f6d59f00_31bf3856ad364e35_6.2.9200.20996_none_8e8fc63f177d6220.manifest
File version Not applicable
File size 722
Date (UTC) 24-Mar-2014
Time (UTC) 20:05
Platform Not applicable
File name X86_microsoft-hyper-v-integration-rdv-core_31bf3856ad364e35_6.2.9200.20996_none_548c7df1e502639e.manifest
File version Not applicable
File size 1,841
Date (UTC) 22-Mar-2014
Time (UTC) 04:51
Platform Not applicable
File name X86_microsoft-windows-t..s-sessionenvservice_31bf3856ad364e35_6.2.9200.20996_none_dc0a385fd231adaa.manifest
File version Not applicable
File size 8,372
Date (UTC) 22-Mar-2014
Time (UTC) 04:41
Platform Not applicable

Additional files for all supported x64-based versions of Windows 8 and of Windows Server 2012

File name Amd64_126a99868e8f5204288a1f67e14b03b9_31bf3856ad364e35_6.2.9200.20996_none_a815c5829801ae05.manifest
File version Not applicable
File size 1,094
Date (UTC) 24-Mar-2014
Time (UTC) 21:24
Platform Not applicable
File name Amd64_873b7734461cb1581da31a1065b88432_31bf3856ad364e35_6.2.9200.20996_none_beab296bc2e7139f.manifest
File version Not applicable
File size 712
Date (UTC) 24-Mar-2014
Time (UTC) 21:24
Platform Not applicable
File name Amd64_8d21a23d056e5741e5102e601c73e8fe_31bf3856ad364e35_6.2.9200.20996_none_2682e1c2e19efa52.manifest
File version Not applicable
File size 726
Date (UTC) 24-Mar-2014
Time (UTC) 21:24
Platform Not applicable
File name Amd64_a5c525f4027e8b070a57e2981eb4859c_31bf3856ad364e35_6.2.9200.20996_none_d12eb5ee599c50a4.manifest
File version Not applicable
File size 726
Date (UTC) 24-Mar-2014
Time (UTC) 21:24
Platform Not applicable
File name Amd64_microsoft-hyper-v-integration-rdv-core_31bf3856ad364e35_6.2.9200.20996_none_b0ab19759d5fd4d4.manifest
File version Not applicable
File size 1,843
Date (UTC) 22-Mar-2014
Time (UTC) 07:17
Platform Not applicable
File name Amd64_microsoft-windows-t..s-sessionenvservice_31bf3856ad364e35_6.2.9200.20996_none_3828d3e38a8f1ee0.manifest
File version Not applicable
File size 8,376
Date (UTC) 22-Mar-2014
Time (UTC) 06:53
Platform Not applicable
File name Package_1_for_kb2954110~31bf3856ad364e35~amd64~~6.2.1.0.mum
File version Not applicable
File size 2,308
Date (UTC) 24-Mar-2014
Time (UTC) 21:24
Platform Not applicable
File name Package_2_for_kb2954110~31bf3856ad364e35~amd64~~6.2.1.0.mum
File version Not applicable
File size 2,299
Date (UTC) 24-Mar-2014
Time (UTC) 21:24
Platform Not applicable
File name Package_3_for_kb2954110~31bf3856ad364e35~amd64~~6.2.1.0.mum
File version Not applicable
File size 1,861
Date (UTC) 24-Mar-2014
Time (UTC) 21:24
Platform Not applicable
File name Package_4_for_kb2954110~31bf3856ad364e35~amd64~~6.2.1.0.mum
File version Not applicable
File size 1,851
Date (UTC) 24-Mar-2014
Time (UTC) 21:24
Platform Not applicable
File name Package_5_for_kb2954110~31bf3856ad364e35~amd64~~6.2.1.0.mum
File version Not applicable
File size 2,081
Date (UTC) 24-Mar-2014
Time (UTC) 21:24
Platform Not applicable
File name Package_for_kb2954110_rtm~31bf3856ad364e35~amd64~~6.2.1.0.mum
File version Not applicable
File size 3,912
Date (UTC) 24-Mar-2014
Time (UTC) 21:24
Platform Not applicable
File name Wow64_microsoft-windows-t..s-sessionenvservice_31bf3856ad364e35_6.2.9200.20996_none_427d7e35beefe0db.manifest
File version Not applicable
File size 5,652
Date (UTC) 22-Mar-2014
Time (UTC) 04:41
Platform Not applicable

      

Status

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

References

Learn about the terminology that Microsoft uses to describe software updates.