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===== JRE 7 Installation =====

JRE is the acronym used for Java Runtime Environment. The following instructions are for JRE 8. If you are installing JRE 8, you can click this link [[guides:jre8_setup|JRE 8 Installation]] to see the JRE 8 specific instructions.

CeRTNA is actively transitioning customers to its APEX software. Although APEX does not require Java, CeRTNA still supports customers using the ERDS or G2G web client to send and retrieve XML transactions. In order to use the CeRTNA ERDS or G2G web client, customers must have a Java Runtime Environment (JRE) installed.

As mentioned in the overview section there are a variety of tools required to deliver the CeRTNA application functionality. An extensive number of hours have been invested by CeRTNA to validate the proper application functionality across operating systems, encryption decryption tools, browsers, platforms (ERDS & G2G), certificate renewals/downloads, application roles (submitters, counties, administrators) etc.
 
In order for everything to work properly together the most important item becomes the Java Runtime Environment (JRE). Comprehensive functionality will only be supported if you are using one of the following JRE versions:

{{tablelayout?colwidth="150px,500px"&rowsFixed=1&rowsVisible=10&float=left}}
^ JRE Version          ^ Download URL     ^
| JRE 7.51 (x86)   | [[https://www.certna.org/ErdsUI/Downloads/jre-7u51-windows-i586.zip]]        |
| JRE 8.121 (x86)   | [[https://www.certna.org/ErdsUI/Downloads/jre-8u121-windows-i586.zip]]        |

Due to requirements for installing and/or updating Entrust PKI certificates, CeRTNA cannot support JRE 6 Update 45. If you are still running JRE 6 Update 45, please update your workstation to use one of the supported versions shown in the preceding table. <color #00a2e8>CeRTNA recommends using JRE 8.121, if possible.</color>

Once you have downloaded one of the JRE installation files shown above, unzip the file to a working folder such as C:\JRE_Setup or a folder name of your choosing. Once the zip file has been extracted open the following subfolder:
C:\{your workfolder}\ and double-click the JRE setup program to start the setup process. If you are prompted by User Access Control (UAC) to allow the installation, click the Yes button.

The following window is displayed:

Click the Install button and the installation process will start.
As the installation progresses, the following panel will be displayed:

When the installation completes, the following panel will be displayed:

Click the Next button. The following screen will be displayed:

After the installation is complete, some of the settings in the Java Control Panel need to be adjusted. To adjust these settings follow the instructions on the next page.
 
Open the following folder:

Windows 64-bit systems:

C:\Program Files (x86)\Java\jre1.7.0_51\bin

Windows 32-bit systems:

C:\Program Files\Java\jre1.7.0_51\bin

The following window should be displayed:

Right-click the javacpl.exe program item and select Run As Administrator from the pop-up menu.

If the User Access Control (UAC) prompts for authorization to run the program, select Yes.
 
The following window will be displayed:

Click the Update tab and the following will be displayed:

Un-check the box labeled ‘Check for Updates Automatically’. This will disable the automatic updating of the JRE.

The JRE needs to remain at JRE 7 Update 51 or JRE 8 Update 121 for all aspects of the CeRTNA application to function properly. (**Note:** You should only have one version of the JRE installed. Running multiple versions of the JRE can cause unpredictable behavior in the CeRTNA applications.)

You will be presented with the following window:

Click the Do Not Check button.

You will be returned to the Update Panel below:

Click the Apply button.

Next Click the Advanced tab and the following panel will be displayed:

Set the items that are highlighted below as shown.

Click the Ok button to close the window.

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