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For Tridion Sites 9.6 (RWS hosted), developer sees "Unable to connect to workspace" AWS WorkSpaces error when connecting

000022312 |9/18/2024 4:13 PM
Scope/Environment
Tridion Sites 9.6 (but not product version specific)
Symptoms/Context
- RWS hosts customer CM and CD services.
- Customer uses AWS Workspaces to connect to their Dev environment.
- Workspaces client was installed as in below steps:
1.Downloaded and installed a WorkSpaces client to laptop: https://clients.amazonworkspaces.com/.
2.Launched the client and entered the registration code sent by RWS Cloud Ops team.
3.Enter provided username by RWS Cloud Ops team.
4.Clicked on password reset link.  Clicked reset link sent to developer email address.
5.Once the password reset is complete, developer attempts to connect to AWS Workspaces, and below error is seen.
User-added image
- New password is successfully created for account, however AWS disconnects immediately after developer connects with error "The network connection has been lost (UDP)."
User-added image
- RWS Cloud Operations team can connect to AWS workspaces without error.
Resolution
This issue may occur due to a 3rd party security software for example ZScaler blocking communication to the Workspace service.

Developer should do the following:
- Try to access the WorkSpaces with Zscaler/other AV services disabled temporarily on the local device
- Review the AWS Documentation regarding IP address and port requirements for WorkSpaces below and ask the customer security team to put exception(s) for the same

Developer was able to successfully connect after removing the ZScaler client; further actions may have been taken but not sent to RWS Support.
Root Cause
Reference
https://docs.aws.amazon.com/workspaces/latest/adminguide/workspaces-network-requirements.html
https://repost.aws/knowledge-center/workspaces-no-access-using-client
https://docs.aws.amazon.com/workspaces/latest/adminguide/workspaces-port-requirements.html#gateway_IP
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