Best practice to use Japanese Input with Remote Application Server

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This article explains how to configure Japanese Input with various client devices connected to applications or desktops published by Remote Application Server.

Support Status of Japanese Input with each Parallels Client


Platform Support Status
Windows Client Supported
Mac Client Supported with v15.5 Update3 or later
Linux Client Supported
iOS Client Supported with v16.0 or later
Android Client Supported
HTML5 Client Supported with v16.0 Update1 or later
Chrome Client Supported with v16.1 or later

Japanese Input Configuration in Terminal Server or Remote PC

Japanese Keyboard Driver

For the first step, it is recommended to confirm Japanese 106/109 keyboard driver is correctly installed in a Terminal Server or Remote PC where Parallels Client will connect.

It will not be a problem when installing OS with using Japanese installation images, but in environments where Japanese language packs are applied based on English OS such as Microsoft Azure or Amazon EC2 instances, there is a possibility English 101/102 keyboard driver is installed.

Floating mode of language bar

When using IME Pad, Dictionary Tool or etc. in published applications, it is useful to float the language bar on the application session.

To display the conventional language bar in Windows 8 / Windows Server 2012 or later OS, access a desktop of a Terminal Server or Remote PC with the right of the connection user and make the following settings:

Setting key combinations to switch IME

The following keys are mainly used to switch IME on Windows:

Other client devices than Windows (such as Mac or Chromebook) may not have the above keys.

It is possible to switch IME by customizing the key setting on the Terminal Server or Remote PC side in advance.

That's the setting on a Terminal server or Remote PC side. After that we will make settings on a client device side.

Mac Client

Version confirmation

To use Japanese Input in Parallels Client for Mac, use v15.5 Update 3 (build 16279) or later. Confirm the version by the following procedure.

Switching IME in a session

To switch IME in a published application or desktop connected from Parallels Client for Mac, press [Kana (かな)] key to turn IME on, or press [Alphanumeric (英数)] key to turn IME off.

To switch a language inside IME, use the following shortcuts:

[Control] + [Alphanumeric (英数)]

[Shift] + [Alphanumeric (英数)]

[Alt] + [Alphanumeric (英数)]

iOS Client

To use Japanese Input in Parallels Client for iOS, use v16.0 or later.

For older versions, upgrade to the latest version from App Store.

Switch input methods with a Bluetooth keyboard

If you cannot switch input methods by Ctrl + Space keys with a Bluetooth keyboard, configure the following setting in iOS then switch them by Caps Lock key.

    [General] > [Keyboard] > [Hardware Keyboard] > Enable "Caps Lock Latin Switch" (requires iOS 10 or later)

Note: This issue has been resolved by Parallels Client for iOS v16.1 or later.

HTML5 Client

Version confirmation

To confirm the version of HTML5 Client, follow these steps:

For older versions, in a server side, click RAS Admin Console> Administration> Software Update> Check Now and update to the latest version.

Note: Upgrading RAS affects active users currently connecting to published resources, so we recommend planning to upgrade off-hours.

For the upgrade procedure, refer to this article.

Browser selection

If you'd like to use Microsoft Internet Explorer or Microsoft Edge for HTML5 Client, confirm the version of HTML5 Client is 16.0 Update1 (build 18458) or later.

For older versions, Japanese Input works properly with Google Chrome or Mozilla Firefox only.

Japanese keyboard setting of HTML5 Client

Log in to HTML5 Gateway using a browser such as Google Chrome or Mozilla Firefox.

Click User name> Settings then choose:

Then click OK.


Note: This setting needs to be done for each browser. For example, if a user accesses HTML5 Gateway with both Google Chrome and Mozilla Firefox, make the above settings in both browsers.

Chrome Client

Version confirmation

To confirm the version of Chrome Client, click Gear icon at the upper right of the window, click About then make sure Version is 16.1.x or later.

Japanese keyboard setting of Chrome Client

click Gear icon at the upper right of the window, click Settings then choose:

Then click OK.


Restoring minimized language bar

When floating a language bar as mentioned above, it can be used in the published application, but there was a limitation that a minimized language bar cannot be restored.

To resolve this issue, upgrade RAS to v15.5 Update 2 (build 16138) or later.

With v15.5 Update 2 or later, a language indicator such as [JP] is displayed in the notification area of Parallels Client, and you can restore server side language bar by clicking it.



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