HA: Installation Requirements

In order to install an IGEL UMS High Availability network, your hardware and software must meet the following minimum requirements.

The installation requirements can vary depending on how large your HA environment is. For more information, see Installation and Sizing Guidelines for IGEL UMS.

UMS High Availability Network: Minimum Requirements

UMS Server (includes UMS Server, UMS Administrator, and UMS Console)	UMS Load Balancer	UMS Web App	File System

UMS Server
(includes UMS Server,
UMS Administrator, and UMS Console)

UMS Load Balancer

UMS Web App

File System

UMS Server:

At least 4 GB of RAM
At least 2 GB of free HDD space

UMS Console:

At least 3 GB of RAM
At least 1 GB of free HDD space

UMS Administrator:

At least 1 GB of RAM

At least 1 GB of RAM
At least 1 GB of free HDD space

1 GB of RAM
1 GB of free HDD space

1 GB for the program files
Approx. 10 GB for each
firmware update to be downloaded

For the supported operating systems, see the Supported Environment section of the release notes.

The UMS Server must not be installed on a domain controller system!
Manually modifying the Java Runtime Environment on the UMS Server is not recommended.
Running additional Apache Tomcat web servers together with the UMS Server is not recommended either.

Database Systems (DBMS)

The embedded database cannot be used for an HA network. You can use the embedded database only for a dedicated test installation with only a single server for the UMS Server and UMS Load Balancer.