Version 8.5.2

GroundWork Monitor Enterprise Edition | Version 8.5.2 | 2023/03/01

GroundWork 8.5.2 is a bugfix release following up on the major 8.5.1 release. This release enhances stability of the features implemented in 8.5.1 including ticketing and a new notifications interface. This release – like 8.5.1 – will require a recent version of containerd / docker to run. Minimum Docker version for GroundWork 8.5.2 is 20.10.13. If you installed Docker using recommended install steps, a system update should be all that is necessary to achieve this.


  • Search functionality in notification rules.

Bug Fixes

  • Fixes to extreme-high-volume notification sends.
  • Security updates
  • Fixes to creation, deletion, and editing of notification contacts.

Known Issues and Limitations

This section lists any known issues and limitations with work-arounds.


Nagios Contacts

The existence of Nagios contact templates which contain only the deprecated NoMa methods will put Nagios control dashboards into a state where commits are not possible.

Deleting any templates which cause this issue will restore ability to commit. References to these contact templates should optionally be changed.

Nagios Container

It's possible to overload the Nagios instance in GroundWork. Nagios uses workers that communicate with the services it runs. In some cases the default provisioning isn't enough to keep up with a really active alert stream.

You can override the default provisioning of workers in Nagios with the check_workers directive. See How to configure check_workers.

TCG-SNMP restart generates unknown status

When restarting the (new) TCG-SNMP connector, the initial poll may generate UNKNOWN status for the network interfaces. 

We recommend adjusting the notification rules for this to avoid alarm fatigue. 

Cron-Controlled GroundWork containers generate SUSPENDED alerts

Jobs scheduled VIA the cron container generate SUSPENDED alerts. This is correct behavior, but may cause unwanted alarms.

We recommend adjusting the notification rules for this to avoid alarm fatigue. A separate rule for the DOCK-H:cadvisor group with a 1-minute delay can suppress these alarms.

Archive Migration initially incomplete

Upgrades to the system will migrate the foundation database but will not completely migrate the archive database until the first archive run (overnight in the cron timezone)

This may affect any queries you want to run against the archive database, especially those for host address values, but only for the day of upgrade. 

Supported Versions

Current supported versions of GroundWork Monitor Enterprise include the latest versions 8.5.2, 8.5.1, 8.4.1, 8.4.0, 8.3.3, 8.3.2, 8.3.1, 8.3.0, 8.2.3, 8.2.2, and version 7.2.1. Support for version 7.2.1 will expire December 31, 2022 (see GroundWork Monitor Enterprise Sunset note below). Support for 8.0.x is now expired. For supported architectures and browser compatibility see System Requirements.

GroundWork Monitor Enterprise 7.x Sunsetting

Support for version 7.2.1 expired December 31, 2022.
Helpdesk support for 7.2.1 is extended through June 2023.

We have extended support for 7.2.x for another year, to give some of the more complex customers in our installed base more time to transition. GroundWork 7.x will be retired from active support at the end of this year. Customers with support contracts for GroundWork Monitor 7.x will continue to receive support from GroundWork Support for this version until December 31, 2022, and for 8.x thereafter. It's our goal at GroundWork Open Source to make the transition from GroundWork Monitor Enterprise 7.x to GroundWork Monitor Enterprise 8 as seamless as possible for our Customers and Partners. Please contact GroundWork Support and let us help you plan and make this transition.

Related Resources

Copyright 2004-2023 GroundWork Open Source, Inc. ("GroundWork"). All rights reserved. Use is subject to GroundWork commercial license terms. GroundWork Monitor products are released under the terms of the various public and commercial licenses. For information on licensing and open source elements please see Licenses used in GroundWork. GroundWork, GroundWork Open Source, GroundWork Monitor Professional, GroundWork Monitor Open Source, GroundWork Community Edition, GroundWork Monitor Enterprise, GroundWork Foundation, GroundWork Status Viewer, Monarch, and GroundWork Guava are trademarks of GroundWork Open Source, Inc. Other trademarks, logos and service marks (each, a "Mark") used in GroundWork’s products, including Nagios, which is a registered trademark of Ethan Galstad, are the property of other third parties. These Marks may not be used without the prior written consent of GroundWork Open Source or the third party that owns the respective Mark.