Upgrading Optional Servers

This section contains the following sections:

1. Upgrading Longview Grid
2. Upgrading Longview Data Server Web Service

Upgrading Longview Grid

If Longview releases a new version of Longview Grid, you can upgrade your existing system.

To upgrade the Longview Grid node:

1. Stop the Grid Node service.
2. Navigate to the installation folder on grid node host (for example C:\Longview\<LongviewIdentifier>.
3. Extract the Grid Node file appropriate to your version of SQL server in this folder.

   SQL server version	ODBC Driver for SQL Server version	File
   2019	18	Grid_Nodes_win(x64)-23.4.zip
   2022	18	Grid_Nodes_win(x64)-23.4.zip

4. Start the Grid Node service.

Upgrading Longview Data Server Web Service

If Longview releases a new version of the Data Server Web Service, you can upgrade to the latest version.

The following prerequisites must be met to install the Data Server Web Service:

• A supported version of the Java JDK must be installed
• The JAVA_HOME environment variable must be set
• If you have the JRE_HOME environment variable set, it must also be set to the same value as the JAVA_HOME environment variable

Note: If you have multiple versions of Java installed, the latest version of the JDK must be first in the Path environment variable. For example, if you have JDK 11.0.2 and JRE 1.8 installed, Java 11.0.2 must be before JRE 1.8 in the variable.

For more information on system requirements, see Supported server platforms.

To upgrade the Data Server Web Service:

1. Double-click the Longview Data Server Web Service Setup-23.4.exe file received from Longview.

   Note: Depending on your system, a User Account Control dialog may prompt you to allow the installer to make changes to the computer. Click Yes.

2. The Longview Data Server Web Service Installation wizard opens.
3. Click Next. The Licensing Agreement for Longview software page opens. Read through the agreement and choose your agreement option.
4. Click Yes to agree. The Check for Prerequisites page opens, indicating the success or failure of the installer to locate required resources.
5. Click Next. The Specify Installation Details screen opens.

   

6. Select Upgrade installed Web Service and select the Longview Identifier (LID) of the Data Server Web Service that you want to upgrade from the drop-down list.
7. Click Next. The Collecting Information screen opens.
8. Click Next. The Installing page opens, displaying the progress of the upgrade process. When the upgrade is complete, the Longview Data Server Web Service Setup Complete page opens.
9. Click Finish to exit the wizard.