Daas Studio An error occurred while contacting the Delivery Controller failed with unknown Error(0)

Daas Studio An error occurred while contacting the Delivery Controller failed with unknown Error(0)

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Article ID: CTX477094

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Updated On:

Description

Access to DaaS Web Studio and Director is not possible with Azure AD login when Palo Alto is in use.

Error "An error occurred while contacting the Delivery Controller. Accessing https://*.xendesktop.net/citrix/orchestration/api/techpreview/me failed with 'unknown Error' (0).

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Accessing the URL https://*.xendesktop.net/citrix/orchestration/api/techpreview/me on a web browser responds with the message "This page is not available"

Environment

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Resolution

Validate the firewall policies and unblock https://*.xendesktop.net/citrix/orchestration/api/techpreview/me and all the exclusions mentioned in https://docs.citrix.com/en-us/citrix-cloud/overview/requirements/internet-connectivity-requirements.html#citrix-daas-service-connectivity

Once the policies are updated correctly, accessing the URL should return a message 'Bearer' instead of "This page is not available"

Problem Cause

Blockage on Palo Alto Firewall

Additional Information

https://live.paloaltonetworks.com/t5/general-topics/ms-sql-issues-with-8656-7766-dynamic-update-citrix-director/td-p/524785

Palo Alto Update Numbers 8656-7766 and 8657-7768

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