NOTICE of STATUS CHANGE ANNOUNCEMENT FOR CITRIX ADC (formerly NetScaler ADC) Traffic Domain BASED FEATURES & FUNCTIONALITIES

Citrix Systems, Inc. announces a Notice of Status Change (NSC) for Citrix ADC Traffic Domain features and functionalities. Table 1 below explains Citrix ADC life cycle management milestones as well as important information about dates and options during this period. The dates and milestones provided are in accordance with stated End of Life/End of Support policies for Citrix Systems, Inc.

Table 1. Milestones and Dates for Citrix ADC Traffic Domain features & functionalities

Milestone Definition Date/Release
Notice of Status Change The NSC date is the date on which Citrix announces the intent to initiate the lifecycle management process for Traffic Domain. Sep 1st, 2021
Feature Deprecation The dates on which these features and capabilities will be deprecated. Users will be warned to switch to the replacement features when using given build. Q3 2021 (next Citrix ADC GA release – 13.1)
Feature Removal The timeline from which these features will not be available. Q3 2023

Citrix ADC Features & Functionalities Affected

The features & functionalities affected by this announcement and their replacements are listed in Table 2 (below). The features & functionalities listed in the Feature Replacement column represent the migration path for these deprecated features/functionalities.

Table 2. Features & functionalities affected by this announcement

Feature Description Feature Replacement
Traffic Domain Admin Partition

Recommendations for Customers

Citrix recommends that all Citrix ADC customers take steps to switch from the deprecated features & functionalities to the corresponding replacements suggested in Table 2 above.

Tools to aid in migration from Traffic Domains to Admin Partitions are available at https://github.com/citrix/ADC-scripts/tree/master/td-to-ap

For More Information

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Unable to logon to Citrix Director with error ‘Attempt to connect CCS Failed’ in the Windows Application Log

Customer configured Amazon EC2 load balancer proxy on Director host, the following URI request has been forwarded onto EC2 load balancer via proxy, and EC2 load balancer relay 403 error packet( The HTTP request was forbidden with client authentication scheme ‘Anonymous’)

———————————————————–

http://<DDC_HOST>/Citrix/ConfigurationContract/v2

———————————————————–

Hence, authentication failed due to error ‘Attempt to connect CCS Failed’.

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Users unable to relaunch the published applications, error “Citrix workspace will try to reconnect…”

Keep Alive policy settings:

https://docs.citrix.com/en-us/xenapp-and-xendesktop/7-15-ltsr/policies/reference/ica-policy-settings/keep-alive-policy-settings.html

Session reliability policy settings:

https://docs.citrix.com/en-us/xenapp-and-xendesktop/7-15-ltsr/policies/reference/ica-policy-settings/session-reliability-policy-settings.html

Session reliability on Citrix ADC high availability pair:

https://docs.citrix.com/en-us/citrix-adc/current-release/ns-ag-appflow-intro-wrapper-con/session-reliablility-on-citrix-adc-ha-pair.html

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Receiver 4.0 for Windows Unable to Use Least Loaded Server Using Custom ICA file with “HTTPBrowserAddress=”

This article is intended for Citrix administrators and technical teams only.

Non-admin users must contact their company’s Help Desk/IT support team and can refer to CTX297149 for more information.

When using Receiver version 4.0 and a custom ICA file with a value set for an Application name for the tag “HTTPBrowserAddress=”, it might not be possible to connect to the least loaded server.

Steps to reproduce the issue:

  1. Install Receiver for Windows 4.0.
  2. Try to launch a published application via Citrix Quick Launch tool.

    Ensure “Launch on this server” check box is cleared.

Expected behavior: The application can be launched successfully.

Actual behavior: Cannot launch the application. The following message is displayed:

“Unable to launch your application. Contact your help desk with the following information: Cannot connect to the Citrix XenApp server. There is no Citrix XenApp server configured on the specified address.”

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AWS makes Ethereum generally available on Amazon Managed Blockchain

Amazon Web Services (AWS) has announced the general availability (GA) of Ethereum on its managed blockchain service.

The open source blockchain joins Hyperledger Fabric as compatible with Amazon Managed Blockchain – in a move which will add power to Ethereum’s offering, but also showcases AWS’ latent ambitions in the space. A preview had been showcased in December.

In a blog post confirming the GA, AWS cited decentralised finance (DeFi) as a key use case going forward. “DeFi is different from existing financial networks because it is open and programmable, operates without a central authority, and enables customers to offer new methods for payments, investing, lending and trading,” the company wrote.

“As customers build these Ethereum-based applications, they find it complicated and time-consuming to operate and manage their Ethereum infrastructure,” AWS added. “Specific concerns include data reliability due to out-of-sync nodes, data storage scaling challenges, and time-sensitive Ethereum software upgrades.”

As plugging into and scaling up emerging technologies is hard, many of the leading cloud providers look to offer a managed blockchain service. “With this launch, AWS customers can easily provision Ethereum nodes in minutes and connect to the public Ethereum main network and test networks such as Rinkeby and Ropsten,” the company added.

AWS has previously been coy around its interest in blockchain technologies. CEO Andy Jassy had previously been on record to say that the company was not especially interested in the technology.

Amazon Managed Blockchain was only made available in mid-2019, with the previous November’s re:Invent announcing the product itself. AWS said at the first launch that it would support Hyperledger and Ethereum, therefore making the latter integration a long time coming. As per analysis last year from Everest Group, the company is a leader in managed blockchain – but a distance behind IBM and Microsoft Azure.

Ethereum on Amazon Managed Blockchain is currently available in six regions; three Asia Pacific – Seoul, Singapore and Tokyo – US East, Ireland and London.

Read more: How to know if AWS Blockchain is right for your business

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