"RPC Server Unavailable" error after you set up a password in Bitlocker To Go in Windows 8.1 or Windows 7

Applies to: Windows 8.1 EnterpriseWindows 8.1 ProWindows 8.1


Consider the following scenario:

  • You have client computers that are running Windows RT 8.1, Windows 8.1, Windows Server 2012 R2, Windows 7, or Windows Server 2008 R2 in a domain.
  • You enable the Require password for removable data drive policy setting in the following Group Policy Object (GPO) path:
    Computer Configuration\Administrative Templates\Windows Components\BitLocker Drive Encryption\Removable Data Drive\Configure use of passwords for removable data drives
  • You plug in an external device to the client computer.
However, when you type the password and then click the Next button in the BitLocker To Go wizard,you receive an error message that resembles the following:

RPC Server Unavailable


To resolve this issue, install update rollup 2962409, or install the hotfix that is described in this article.

Update information

For more information about how to obtain this update rollup package, click the following article number to view the article in the Microsoft Knowledge Base:

2962409 June 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2

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 this specific problem.

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, submit a request to 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 website: 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.


There are no prerequisites for installing this hotfix.

Registry information

To use the hotfix in this package, you do not have to make any changes to the registry.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.


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 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 7 and for Windows Server 2008 R2

Additional files for all supported x86-based versions of Windows 7
File propertyValue
File nameX86_dd924bab8bef56003b956015525f499a_31bf3856ad364e35_6.1.7601.22666_none_f633bd30c475b082.manifest
File versionNot applicable
File size706
Date (UTC)25-Apr-2014
Time (UTC)09:34
File nameX86_microsoft-windows-securestartup-core_31bf3856ad364e35_6.1.7601.22666_none_373786cf69a589ab.manifest
File versionNot applicable
File size9,058
Date (UTC)25-Apr-2014
Time (UTC)02:24
Additional files for all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
File propertyValue
File nameAmd64_68bd319a45f150da90770a02227eec0c_31bf3856ad364e35_6.1.7601.22666_none_537eb1117878101f.manifest
File versionNot applicable
File size710
Date (UTC)25-Apr-2014
Time (UTC)09:34
File nameAmd64_microsoft-windows-securestartup-core_31bf3856ad364e35_6.1.7601.22666_none_935622532202fae1.manifest
File versionNot applicable
File size9,062
Date (UTC)25-Apr-2014
Time (UTC)03:01
Additional files for all supported IA-64-based versions of Windows Server 2008 R2
File propertyValue
File nameIa64_7c5d08066f53c37421928ba1a7a4f3a5_31bf3856ad364e35_6.1.7601.22666_none_fe9968a90e26e30c.manifest
File versionNot applicable
File size708
Date (UTC)25-Apr-2014
Time (UTC)09:34
File nameIa64_microsoft-windows-securestartup-core_31bf3856ad364e35_6.1.7601.22666_none_37392ac569a392a7.manifest
File versionNot applicable
File size9,060
Date (UTC)25-Apr-2014
Time (UTC)02:14