1Y0-312 Advanced Site Architecture Practice Question
An administrator notices that the Local Host Cache is not working as expected after a database outage. What is the first thing they should check on the Delivery Controllers?
⚠ Common exam trap
Administrators often troubleshoot database connectivity strings or Active Directory replication first, overlooking the specific Windows service responsible for Local Host Cache operations on the controller.
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
✓
The Citrix High Availability Service status.
The primary configuration for Local Host Cache is the 'LHC' service status and the local SQL Express instance. Checking the 'Citrix High Availability' service on the Delivery Controller is critical. If this service is stopped or failing to start, the Local Host Cache will not function. This service is responsible for maintaining the local SQL database and facilitating the switchover from the primary database to the local cache during an outage event.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The Citrix License Server availability.
Why it's wrong here
While the License Server is important, its unavailability does not prevent the Local Host Cache service from running. The Local Host Cache is designed to function even when the central license server is unreachable, as it uses previously cached license information to allow users to continue their work during site outages.
- ✓
The Citrix High Availability Service status.
Why this is correct
The Citrix High Availability Service is the engine behind the Local Host Cache. It manages the synchronization of site data from the primary database to the local SQL Express database. If this service is not running or is malfunctioning, the site cannot transition to local mode, leaving users unable to access resources.
- ✗
The site database connection string.
Why it's wrong here
If the site database connection string is wrong, the controller will be unable to initialize in normal mode. However, the Local Host Cache service relies on the local SQL Express instance. Checking the site database connection string is a secondary step after confirming the local high availability components are operational.
- ✗
The VDA registration state of the machines.
Why it's wrong here
The VDA registration status indicates whether the VDA can reach the controller. If Local Host Cache is not active, checking the VDA registration status is essentially checking the symptom rather than the cause. The root cause lies in the controller's inability to switch to local mode during the database outage.
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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
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