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Both Acrobat and Reader can reside on the same machine, and the default handler can be set in the following ways:
Set the default handler at install time.
Configure the installer prior to deployment via the Wizard or command line.
After a product install, choose Preferences > General > Select Default PDF Handler.
Windows 8-10¶
System requirements¶
Acrobat and Acrobat Reader: 11.x-DC
Supported Platforms: Windows 8 and above
The problem¶
Adobe Acrobat Reader Viewer
Admins often want to reliably set Acrobat and Reader as the default PDF owners on their organization's desktops. Since Windows 8, it has become more difficult for applications to take ownership of certain filetypes. Even when admins have a method for setting a default handler (described above), once the application is installed end users can change the file type associations via the Control Panel or with Right Click > Open With. Additionally, other applications sometimes force Windows to show an application selection dialog when a user clicks on a file, thereby allowing users to select a different application for that file type. Thus, since Windows 8, admins have little control over file type associations after installing an application.
Solution 1: DISM¶
Deployment Image Servicing and Management (DISM) is a way to enforce file type associations. While it remains difficult to prevent users from selecting alternative default applications, Microsoft addresses this problem by providing DISM as a way for admins to reinstate the defaults when a user logs off and on.
While DISM is a command-line tool that is used to mount and service Windows images before deployment, it can also be used to set file type owners on Windows 8 and above. Admins can use the default application association-servicing commands to import, export, list, and remove the settings that specify which application opens a file based on the file name extension or protocol. Microsoft provides many DISM command line options for performing these steps.
Adobe Acrobat Reader View Menu Bar
Note
Some admins have been troubleshooting issues here: https://forums.adobe.com/message/10429439#10429439
Solution 2: GPO policy¶
You can also enforce the filetype via GPO policies. Using Group policy admins can force file associations each time a user logs in. This way even if a user changes the default PDF handler in a particular session or an OS update changes it, the next time the user logs in, it will be changed back to what the admin has specified.
To set the file handler via a GPO:
Download the sample file association files. These files include all the file types supported by Acrobat and Reader. To create your own XML files:
Run an elevated command prompt on a machine that has your default application set correctly.
Type
Dism/Online/Export-DefaultAppAssociations:path>AppAssoc.xml
. This creates an XML file that has all your file types and their current associations.Edit the XML file to include only the file associations that you wish to enforce.
Note
You can create different files for different groups in your organization. For example, one group may use Adobe Reader as the default while another uses Acrobat.
Place this XML on a shared network location or push this XML to all your machine-specific locations via a script. For example,
C:WindowsSystem32
(do not use a user-specific location).Set the XML configured with your preferences in a Windows 8 Group Policy setting, and enable the setting as follows:
Open up the Group Policy MMC (open a command prompt and type
gpedit.msc
) on your Server 2012 instance.Locate the policy under
ComputerConfigurationAdministrativeTemplatesWindowsComponentsFileExplorerSetadefaultassociationsconfigurationfile
. This policy specifies the path for the XML file that can be either stored locally or on a network location.
Note
This is a machine-level policy. It is not possible to create user-level policy.
Enable the policy, and specify the location where you have stored the XML file. The corresponding registry entry is
HKLMSoftwarePoliciesMicrosoftWindowsSystemDefaultAssociationsConfiguration
.
File associations will now be enforced on user logon.
Local Group Policy Editor
Set a file association configuration file
Limitations¶
The end user machine needs to be domain-joined for this method to work.
Users can change the file associations during the current session. However, admin settings are reinstated at next logon.
As of 5th Feb 2016, it is a known limitation of Windows 10 that when new user is created on the machine after enforcing the GPO Policy, then on first login ownership is not set. However, the correct settings are applied on subsequent logins.
Command line control (pre DC)¶
At install time, the last installed product will wrest ownership from the existing install. Change this behavior by using LEAVE_PDFOWNERSHIP=YES during a command line install.
Resetting the default PDF handler¶
To make Reader the default PDF handler after installing Acrobat, find and run ADelRCP.exe in elevated mode. ADelRCP.exe is Acrobat's PDF handler program for Windows.
Affected ProgIDs
for various products¶
File Type | ProgID |
---|---|
Audio converter mac kostenlos. AcroExch.Document.DC | |
.pdfxml | AcroExch.pdfxml |
.acrobatsecuritysettings | AcroExch.acrobatsecuritysettings |
.fdf | Zipit free download. AcroExch.FDFDoc |
.xfdf | AcroExch.XFDFDoc |
.xdp | AcroExch.XDPDoc |
.pdx | PDXFileType |
.api | AcroExch.Plugin |
.secstore | AcroExch.SecStore |
File Type | ProgID |
---|---|
Acrobat.Document.DC | |
.pdfxml | Acrobat.pdfxml |
.acrobatsecuritysettings | Acrobat.acrobatsecuritysettings |
.fdf | Acrobat.FDFDoc |
.xfdf | Acrobat.XFDFDoc |
Audio editor open source windows. .xdp | Acrobat.XDPDoc |
.pdx | PDXFileType |
.api Hp fax software mac. | Acrobat.Plugin |
.secstore Free movie pictures download. | Acrobat.SecStore |
.sequ | Acrobat.Sequence |
.rmf | Acrobat.RMFFile |
.bpdx | AcrobatBPDXFileType |
File Type | ProgID |
---|---|
AcroExch.Document.2020 (version 2020 only) | |
AcroExch.Document.2017 (version 2017 only) | |
AcroExch.Document.2015 (version 2015 only) | |
.pdfxml | AcroExch.pdfxml |
.acrobatsecuritysettings | Adobe x updates. AcroExch.acrobatsecuritysettings |
.fdf | AcroExch.FDFDoc |
.xfdf | AcroExch.XFDFDoc |
.xdp | AcroExch.XDPDoc |
.pdx | PDXFileType |
.api | AcroExch.Plugin |
.secstore | AcroExch.SecStore |
File Type | ProgID |
---|---|
Acrobat.Document.2020 (version 2020 only) | |
Acrobat.Document.2017 (version 2017 only) | |
Acrobat.Document.2015 (version 2015 only) | |
.pdfxml | Acrobat.pdfxml |
.acrobatsecuritysettings | Acrobat.acrobatsecuritysettings |
.fdf | Acrobat.FDFDoc |
.xfdf | Acrobat.XFDFDoc |
.xdp | Acrobat.XDPDoc |
.pdx | PDXFileType |
.api | Acrobat.Plugin |
.secstore | Acrobat.SecStore |
.sequ | Acrobat.Sequence |
Acrobat.RMFFile | |
.bpdx | AcrobatBPDXFileType |
Adobe Acrobat Reader Viewer
Locking the PDF viewer¶
Admins can prevent end users from changing the setting by using the HKLM feature lockdown preference DisablePDFHandlerSwitching
.
Note
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This does not prevent users from changing PDF ownership using Windows Explorer.