Applies To:

Show Versions Show Versions

Release Note: F5 iWorkflow version 2.1.0
Release Note

Original Publication Date: 02/27/2017


This release note documents version 2.1.0 of iWorkflow. iWorkflow 2.1.0 is available as an ISO or Virtual Edition image.


Product description

Administrators can use iWorkflow to supply tenants with on-demand access to resources such as networks, servers, storage, applications, and services. These cloud resources can be located on BIG-IP devices in a private local network, a public third-party cloud service, or a combination of both.

Tenants have restricted and dedicated access to resources based on their unique tenant role and user account. Cloud space can be expanded, retracted, and reallocated to tenants as needed, providing flexible resource balancing.

Screen resolution requirement

To properly display, the iWorkflow system requires that your screen resolution is set to 1280x1024 or higher.

Browser support

This release supports the following browsers and versions:

  • Microsoft Internet Explorer version 11 and later.
  • Mozilla Firefox version 29.x and later.
  • Google Chrome version 34.x and later.

iWorkflow compatibility

K11198324: F5 iWorkflow compatibility matrix provides a summary of version compatibility for specific features between the iWorkflow system and supported cloud providers and BIG-IP releases.

User documentation for this release

For a comprehensive list of documentation that is relevant to this release, refer to the F5 iWorkflow 2.1.0 Knowledge Center page.

Software installation

You can find Installation instructions for each of the currently supported hypervisor platforms in the following guides:
  • F5® iWorkflow™ and Citrix XenServer: Setup guide.
  • F5® iWorkflow™ and Linux KVM: Setup guide.
  • F5® iWorkflow™ and Microsoft Hyper-V: Setup guide.
  • F5® iWorkflow™ and VMware ESXi: Setup guide.

Licensing and initial configuration

You can find details for software licensing and initial configuration in the administration guides. Refer to the guide most appropriate for your organization:
  • F5® iWorkflow™: Administration guide.
  • F5® iWorkflow™: Cisco APIC Administration guide.
  • F5® iWorkflow™: VMware NSX Administration guide.


ID Number Functional Area Description
599175 iWorkflow APIC serviceHealth and deviceHealth requests always return 100% health.
629514 iWorkflow When creating a vCMP or VMware NSX cloud, the user is asked to verify and approve the server or host SSL certificate hash. The online help and Operational Guide state to verify the hash with an incorrect OpenSSL command.

Behavior changes

There are no behavior changes included in this release.

Known issues

ID Number Functional Area Description Workaround (if available)
628507 iWorkflow When removing an event handler from the primary iWorkflow in a clustered environment via a PATCH, the peer iWorkflows do not remove the same event handler. Issue the same PATCH request to remove the event handler from the peer iWorkflows.
628920 iWorkflow The iWorkflow SSH console periodically displays a message:

011d0004:3: Disk partition var_log has only 5% free Nov 18 11:11:04 iwscale01 emerg alertd[6890]: 01100048:0: Log disk usage still higher than 80% after logrotate and 24 times log deletion

From an iWorkflow SSH console, execute the command: rm -f /var/log/webd/log_*
642390 iWorkflow App deployment usually fails with a message in the restjavad.0.log:

"The requested Virtual Server (/apic-BOS-BOSctx1-15351/ was not found." The virutal server deploys successfully, but iWorkflow considers the app deployment a failure.

Replace the body of the method handle_opt_remove_on_redeploy() in AppSvc V2.0 with a dummy implementation as in:

proc handle_opt_remove_on_redeploy { name checkvalue option module } { return 0 }

The workaround disables code that checks to make sure a module has not been de-provisioned underneath/between deployments of the template.

644006 iWorkflow Attempting to delete a Tenant or graph containing AppSvc V2.0 using Cisco APIC results in failure. The error message indicates that the app cannot be removed because the property "Strict Updates" is enabled. Replace the body of the method handle_opt_remove_on_redeploy() in AppSvc V2.0 with a dummy implementation as in:

proc handle_opt_remove_on_redeploy { name checkvalue option module } { return 0 }

The workaround disables code that checks to make sure a module has not been de-provisioned underneath/between deployments of the template.

637133 iWorkflow The Service graph fails to remove parts of an iApp on the BIG-IP system. None.
645666 iWorkflow When iWorkflow is managing a high number of L4-L7 services, it may generate a number of severe error messages in the restjavad log from the ServicePlacementsWorker while placing a new service. These message indicate that the ServicePlacementsWorker timed out when updating the status of the service being placed. None.
644186 iWorkflow There is an inconsistency in the behavior of API and UI when performing a delete on the vCMP guest in cm-cloud-managed device group.

If performing a delete on an the API – /mgmt/shared/resolver/device-groups/cm-cloud-managed-devices/devices/<deviceID> – the guest on the vCMP host does not get deleted, but the device in cm-cloud-managed group(Devices panel) is deleted.

If the device is deleted by using the Devices panel in UI, the guest on vCMP host and the device from cm-cloud-managed device group is deleted.

Issue a delete on the corresponding node, which represents the vCMP guest - API - /mgmt/cm/cloud/connectors/vcmp/<connectorID>/nodes/<nodeId>. This will delete the guest from the vCMP host and remove the device from the cm-cloud-managed devices group.
647103 iWorkflow If the logging level in the /etc/restjavad.log.conf is set to FINER or FINEST - this will cause the L4-L7 service placement to fail. Set the logging level in /etc/restjavad.log.conf to FINE or INFO.

Contacting F5 Networks

Phone: (206) 272-6888
Fax: (206) 272-6802

For additional information, please visit

Additional resources

You can find additional support resources and technical documentation through a variety of sources.

F5 Networks Technical Support

Free self-service tools give you 24x7 access to a wealth of knowledge and technical support. Whether it is providing quick answers to questions, training your staff, or handling entire implementations from design to deployment, F5 services teams are ready to ensure that you get the most from your F5 technology.


AskF5 is your storehouse for thousands of solutions to help you manage your F5 products more effectively. Whether you want to search the knowledge base periodically to research a solution, or you need the most recent news about your F5 products, AskF5 is your source.

F5 DevCentral

The F5 DevCentral community helps you get more from F5 products and technologies. You can connect with user groups, learn about the latest F5 tools, and discuss F5 products and technology.

AskF5 TechNews

Weekly HTML TechNews
The weekly TechNews HTML email includes timely information about known issues, product releases, hotfix releases, updated and new solutions, and new feature notices. To subscribe, click TechNews Subscription, complete the required fields, and click the Subscribe button. You will receive a confirmation. Unsubscribe at any time by clicking the Unsubscribe link at the bottom of the TechNews email.
Periodic plain text TechNews
F5 Networks sends a timely TechNews email any time a product or hotfix is released. (This information is always included in the next weekly HTML TechNews email.) To subscribe, send a blank email to from the email address you are using to subscribe. Unsubscribe by sending a blank email to

Legal notices

Was this resource helpful in solving your issue?

NOTE: Please do not provide personal information.

Additional Comments (optional)