Citrix - Gateway as a service - Error Codes For Session Launch Failure
Article ID: CTX339888
Updated On:
Description
Multiple Error codes during session launch failures
Resolution
Citrix - Gateway as a service - Error Codes For Session Launch Failure
1) Error: CGS-ICASN_ERR_00001
Description: Application Launch Failed due to Request Parsing Error
Recommended action: Contact Citrix support
2) Error: CGS-ICASN_ERR_00002
Description: Authentication Ticket Validation Failure
Recommended action: Contact Citrix support
3) Error: CGS-ICASN_ERR_00003
Description: Authentication Ticket Validation Failure
Recommended action: Contact Citrix support
4) Error: CGS-ICASN_ERR_00004
Description: Authentication Ticket Validation Failure
Recommended action: Contact Citrix support
5) Error: CGS-ICASN_ERR_00005
Description: Failed to establish connection to the Connector
Recommended action:
Check connector health, If the issue persists contact Citrix support.
Please refer to below article to check pre-requisites for cloud connector.
https://docs.citrix.com/en-us/citrix-cloud/overview/requirements/internet-connectivity-requirements.html#citrix-cloud-connector
6) Error: CGS_ICASN_ERR_00006
Description: Connection request to the Connector timed out.
Recommended action: Check connector health
Check if any Proxy Settings blocking traffic between connector/VDA and NGS.
Check connectivity between VDA and Connector.
If the issue persists Contact Citrix support.
7) Error: CGS_ICASN_ERR_00007
Description: CWA Closed the Connection
Recommended action:
Please check client side network connectivity is stable.
Issue persist please reach out to contact Citrix support
8) Error: CGS_ICASN_ERR_00008
Description: Back-end Closed the Connection
Recommended action: Check connector health
Check network stability from Connector/VDA to public network(NGS).
If the issue persists contact Citrix support.
9) Error: CGS_ICASN_ERR_00009
Description: VDA to NGS connection establishment failure (Rendezvous)
Recommended action: Check the connector health.
VDA should be able to reach NGS Service.
Check connectivity between VDA and Connector.
Please refer to the below article on pre-requisite.
https://docs.citrix.com/en-us/citrix-virtual-apps-desktops-service/hdx/rendezvous-protocol/rendezvous-v1.html
If the issue persists contact Citrix support.
10) Error: CGS_ICASN_ERR_00010
Description: EDT to TCP Fallback Check prerequisite for EDT.
Recommended action: Rendezvous must be enabled and VDA should be able to reach NGS service over UDP.
If the issue persists contact Citrix support.
https://docs.citrix.com/en-us/citrix-gateway-service/hdx-edt-support-for-gateway-service.html
11) Error: CGS_ICASN_ERR_00011
Description: NGS internal Service Failure
Recommended action: Contact Citrix support.
12) Error: CGS_ICASN_ERR_00012
Description: NGS internal Service Failure
Recommended action: Contact Citrix support.
13) Error: CGS_ICASN_ERR_00013
Description: GCT Validation Failure
Recommended action: Contact Citrix support.
14) Error: CGS_ICASN_ERR_00014
Description: GCT Validation Failure
Recommended action: Contact Citrix support.
15) Error: CGS_ICASN_ERR_00015
Description: NGS internal Service Failure
Recommended action: Contact Citrix support.
16) Error: CGS_ICASN_ERR_00016
Description: NGS internal Service Failure
Recommended action: Contact Citrix support.
17) Error: CGS_ICASN_ERR_00017
Description: NGS internal Service Failure
Recommended action: Contact Citrix support.
18) Error: CGS_ICASN_ERR_00018
Description: Authentication Ticket Validation Failure
Recommended action: Contact Citrix support.
19) Error: CGS_ICASN_ERR_00019
Description: Authentication Ticket Validation Failure
Recommended action: Contact Citrix support.
20) Error: CGS_ICASN_ERR_00020
Description: CGS internal licensing Error
Recommended action: Contact Citrix support.
21) Error: CGS_ICASN_ERR_00021
Description: Rendezvous v2 fall back due disabled feature flag
Recommended action: Contact Citrix support.
22) Error: CGS_ICASN_ERR_00022
Description: NGS internal Service Failure
Recommended action: Contact Citrix support.
23) Error: CGS_ICASN_ERR_00023
Description: CLXMTP Exchange timeout
Recommended action:
Check connectors are healthy and reachable to NGS service.
If still issue persists Please reach out to Contact Citrix support.
24) Error: CGS_ICASN_ERR_00024
Description: CLXMTP VSR validation failure
Recommended action: Contact Citrix support.
25) Error: CGS_ICASN_ERR_00025
Description: CLXMTP VSR validation failure
Recommended action: Contact Citrix support.
26) Error: CGS_ICASN_ERR_00026
Description: CLXMTP No connector available
Recommended action:
Please check the connector is in healthy state for the resource location.
If still issue persists Please reach out to Contact Citrix support.
27) Error: CGS_ICASN_ERR_00027
Description: CLXMTP redirect to Connector failed after max tries
Recommended action:
Please check the connector is in healthy state for the resource location.
Please check `Citrix ClxMtp Service` service running in all connectors.
Contact Citrix support.
28) Error: CGS_ICASN_ERR_00028
Description: Failed to communicate with the Controller
Recommended action: Contact Citrix support.
29) Success: CGS_ICASN_SUCCESS_00001
Description: Session Launch Request Received
Recommended action: Not Applicable
30) Success: CGS_ICASN_SUCCESS_00002
Description: Session Launch Request Completed
Recommended action: Not Applicable
1) Error: CGS-ICASN_ERR_00001
Description: Application Launch Failed due to Request Parsing Error
Recommended action: Contact Citrix support
2) Error: CGS-ICASN_ERR_00002
Description: Authentication Ticket Validation Failure
Recommended action: Contact Citrix support
3) Error: CGS-ICASN_ERR_00003
Description: Authentication Ticket Validation Failure
Recommended action: Contact Citrix support
4) Error: CGS-ICASN_ERR_00004
Description: Authentication Ticket Validation Failure
Recommended action: Contact Citrix support
5) Error: CGS-ICASN_ERR_00005
Description: Failed to establish connection to the Connector
Recommended action:
Check connector health, If the issue persists contact Citrix support.
Please refer to below article to check pre-requisites for cloud connector.
https://docs.citrix.com/en-us/citrix-cloud/overview/requirements/internet-connectivity-requirements.html#citrix-cloud-connector
6) Error: CGS_ICASN_ERR_00006
Description: Connection request to the Connector timed out.
Recommended action: Check connector health
Check if any Proxy Settings blocking traffic between connector/VDA and NGS.
Check connectivity between VDA and Connector.
If the issue persists Contact Citrix support.
7) Error: CGS_ICASN_ERR_00007
Description: CWA Closed the Connection
Recommended action:
Please check client side network connectivity is stable.
Issue persist please reach out to contact Citrix support
8) Error: CGS_ICASN_ERR_00008
Description: Back-end Closed the Connection
Recommended action: Check connector health
Check network stability from Connector/VDA to public network(NGS).
If the issue persists contact Citrix support.
9) Error: CGS_ICASN_ERR_00009
Description: VDA to NGS connection establishment failure (Rendezvous)
Recommended action: Check the connector health.
VDA should be able to reach NGS Service.
Check connectivity between VDA and Connector.
Please refer to the below article on pre-requisite.
https://docs.citrix.com/en-us/citrix-virtual-apps-desktops-service/hdx/rendezvous-protocol/rendezvous-v1.html
If the issue persists contact Citrix support.
10) Error: CGS_ICASN_ERR_00010
Description: EDT to TCP Fallback Check prerequisite for EDT.
Recommended action: Rendezvous must be enabled and VDA should be able to reach NGS service over UDP.
If the issue persists contact Citrix support.
https://docs.citrix.com/en-us/citrix-gateway-service/hdx-edt-support-for-gateway-service.html
11) Error: CGS_ICASN_ERR_00011
Description: NGS internal Service Failure
Recommended action: Contact Citrix support.
12) Error: CGS_ICASN_ERR_00012
Description: NGS internal Service Failure
Recommended action: Contact Citrix support.
13) Error: CGS_ICASN_ERR_00013
Description: GCT Validation Failure
Recommended action: Contact Citrix support.
14) Error: CGS_ICASN_ERR_00014
Description: GCT Validation Failure
Recommended action: Contact Citrix support.
15) Error: CGS_ICASN_ERR_00015
Description: NGS internal Service Failure
Recommended action: Contact Citrix support.
16) Error: CGS_ICASN_ERR_00016
Description: NGS internal Service Failure
Recommended action: Contact Citrix support.
17) Error: CGS_ICASN_ERR_00017
Description: NGS internal Service Failure
Recommended action: Contact Citrix support.
18) Error: CGS_ICASN_ERR_00018
Description: Authentication Ticket Validation Failure
Recommended action: Contact Citrix support.
19) Error: CGS_ICASN_ERR_00019
Description: Authentication Ticket Validation Failure
Recommended action: Contact Citrix support.
20) Error: CGS_ICASN_ERR_00020
Description: CGS internal licensing Error
Recommended action: Contact Citrix support.
21) Error: CGS_ICASN_ERR_00021
Description: Rendezvous v2 fall back due disabled feature flag
Recommended action: Contact Citrix support.
22) Error: CGS_ICASN_ERR_00022
Description: NGS internal Service Failure
Recommended action: Contact Citrix support.
23) Error: CGS_ICASN_ERR_00023
Description: CLXMTP Exchange timeout
Recommended action:
Check connectors are healthy and reachable to NGS service.
If still issue persists Please reach out to Contact Citrix support.
24) Error: CGS_ICASN_ERR_00024
Description: CLXMTP VSR validation failure
Recommended action: Contact Citrix support.
25) Error: CGS_ICASN_ERR_00025
Description: CLXMTP VSR validation failure
Recommended action: Contact Citrix support.
26) Error: CGS_ICASN_ERR_00026
Description: CLXMTP No connector available
Recommended action:
Please check the connector is in healthy state for the resource location.
If still issue persists Please reach out to Contact Citrix support.
27) Error: CGS_ICASN_ERR_00027
Description: CLXMTP redirect to Connector failed after max tries
Recommended action:
Please check the connector is in healthy state for the resource location.
Please check `Citrix ClxMtp Service` service running in all connectors.
Contact Citrix support.
28) Error: CGS_ICASN_ERR_00028
Description: Failed to communicate with the Controller
Recommended action: Contact Citrix support.
29) Success: CGS_ICASN_SUCCESS_00001
Description: Session Launch Request Received
Recommended action: Not Applicable
30) Success: CGS_ICASN_SUCCESS_00002
Description: Session Launch Request Completed
Recommended action: Not Applicable
Problem Cause
Error codes
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