Domain change from to

Effective May 15th, 2017, the Real-Time business segment of Concurrent Computer Corporation was sold to Battery Ventures.

That transaction created a new, independent operating business named Concurrent Real-Time.

Pursuant to that change, Concurrent Real-Time exclusively uses as its network domain.

Please use the new domain name for all your network interactions with Concurrent Real-Time, as the old URLs will eventually be removed by the company that owns the domain.

Company Web Page

The company's main web page is now at From there you can read about Concurrent Real-Time's products, contact your salesman, and submit requests for support.

Company Email Addresses

All email addresses now use the new domain name,

Some important email addresses you may need to use in the future include:

Emails you have on file for Concurrent personnel should be changed in your address book -- just replace with

Software Eportal

The location of Concurrent Real-Time's software eportal has changed. The new URL is

All services that were provided by are now available at the new address.


Computer systems that you received from Concurrent were pre-configured with repository definitions that reference for products that you purchased. You must change such references as described below; otherwise you may not be able to obtain updates from any other repositories (e.g. CentOS, RHEL).

On CentOS and Red Hat, these references are isolated to the /etc/yum.repos.d directory in files ending in .repo.

On Debian and Ubuntu systems the references would come from /etc/apt/sources.list and files found in the directory /etc/apt/sources.list.d that end in .list.

These files define access to Concurrent Real-Time's software repositories so that you can easily download updates. Some repository definitions may be disabled, but we recommend changing their domains as well.

Simply replace occurrences of with

If you do not change such references, you may cease to obtain updates from other sources, for e.g. Red Hat, CentOS, etc.

This is because some YUM and APT implementations bail out immediately when they encounter a URL that cannot be reached. Update daemons are present on most systems and they may fail to identify available updates, even from other repositories.

As an alternative to changing the URLs, you could mark them as disabled. Either method requires changing the same source file so we recommend leaving them active after you change the domain name.

Along with URL references in repository definition files, you may have bookmarks in your browser for sections of the eportal. For example, perhaps you have been reading RedHawk Release Notes from our Software Documentation Library. You will want to make the domain change for such bookmarks.

Continue to

If you need assistance, please contact the Concurrent Real-Time Software Support Center at our toll free number 1-800-245-6453. For calls outside the continental United States, the number is 1-954-283-1822. The Software Support Center operates Monday through Friday from 8 a.m. to 5 p.m., Eastern Standard Time.

You may also submit a request for assistance at any time by using the Concurrent Real-Time web site at or by sending an email to