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Troubleshooting →hardMultiple Choice

1Y0-204 Troubleshooting Practice Question

A Citrix Administrator is troubleshooting a session launch issue where users receive an error 'The connection to the server was lost' when connecting through Citrix Gateway. The administrator has verified that the StoreFront server is reachable and the VDA is registered. Which log should the administrator review first to identify the cause?

⚠ Common exam trap

The trap here is assuming that the Delivery Controller or StoreFront logs contain the connection loss details, when the issue involves the gateway's handling of the ICA connection.

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

✓

Citrix Gateway's syslog

When users connect through Citrix Gateway and experience a connection loss, the gateway's syslog is the primary source for troubleshooting. It captures SSL VPN and ICA proxy events, including errors that occur during the connection establishment. Other logs may not contain the specific network-level details needed to diagnose the issue.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • ✗

    Citrix Gateway's HDX Insight log

    Why it's wrong here

    HDX Insight logs provide performance and bandwidth data for active sessions, not connection establishment errors. The issue is that the connection is lost during launch, so HDX Insight would not capture the failure. It is used for monitoring, not troubleshooting connection setup problems.

  • ✗

    Citrix Delivery Controller's Broker Service log

    Why it's wrong here

    The Broker Service log on the Delivery Controller records brokering activities, such as machine registration and session allocation. However, the error occurs during connection through Citrix Gateway, which is a network component. The Broker Service log would not contain details about the gateway's connection handling, so it is not the first place to look.

  • ✓

    Citrix Gateway's syslog

    Why this is correct

    Citrix Gateway logs connection events, including SSL VPN and ICA proxy connections. The syslog records errors such as authentication failures, SSL handshake issues, and network timeouts. Since the error occurs when connecting through the gateway, the syslog is the most relevant log to review for connection loss details.

  • ✗

    StoreFront server's Citrix Receiver for Web log

    Why it's wrong here

    The StoreFront server's Receiver for Web log records user authentication and enumeration of applications, but it does not handle the actual ICA connection. The error 'The connection to the server was lost' occurs after the ICA file is passed to the client, so the gateway's logs are more appropriate for diagnosing the connection loss.

Visual reference

Client Server SYN (seq=100) SYN-ACK (seq=200, ack=101) ACK (ack=201) Connection established — data transfer begins

Quick reference

VPN Protocol Comparison

ProtocolPortEncryptionAuthenticationUse Case
IKEv2 / IPsecUDP 500 / 4500AES-256Certificates / PSKSite-to-site & remote access
SSL / TLS VPNTCP 443TLS 1.3Certificates / MFAClientless remote access
L2TP / IPsecUDP 1701AES (IPsec)PSK / CertificatesLegacy remote access
WireGuardUDP 51820ChaCha20Public keysModern high-performance VPN
PPTPTCP 1723MPPE (weak)MS-CHAPv2Legacy — avoid in production

PPTP is considered insecure. IKEv2/IPsec and SSL VPN are the current recommended options.

About these practice questions

Courseiva writes every 1Y0-204 question from scratch — 216 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or dumps. Learn why practice questions differ from exam dumps →

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JA

Written and reviewed by Johnson Ajibi, MSc IT Security

Senior Network & Security Engineer · founder of Courseiva

Last reviewed September 2026 · checked against the official Citrix exam blueprint

This 1Y0-204 practice question is part of Courseiva's free Citrix certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 1Y0-204 exam.