1Y0-312 Advanced Provisioning and Image Management Practice Question
Exhibit
Error: PVS-5095: VDisk Version is invalid or corrupted. Cannot merge versions.
Refer to the exhibit. An administrator is attempting to merge vDisk versions but receives the provided error. What is the most likely cause?
⚠ Common exam trap
Candidates frequently blame hypervisor storage permissions instead of recognizing that interrupted vDisk write operations cause version merge and chain errors.
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
✓
A previous write operation to the vDisk version was interrupted or failed.
A corrupted or invalid vDisk version error often stems from an incomplete write operation or a disk fault. This is a critical error as it prevents version consolidation, leading to a fragmented vDisk chain that grows in size and complexity. Troubleshooting requires checking disk integrity at the hypervisor level and potentially reverting to a previous healthy version to restore the integrity of the image chain.
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 Provisioning Server database is offline.
Why it's wrong here
If the database were offline, the error would specifically report a database connectivity issue, not a disk version corruption. While database health is important, this specific error points directly to the integrity of the VHDX file itself and the metadata associated with the vDisk versioning chain.
- ✗
The base vDisk file has been modified by an unauthorized user.
Why it's wrong here
Unauthorized modification might cause corruption, but it is not the most likely cause of a specific 'version invalid' error. This error is more often associated with system-level failures during the creation or merging of versions, such as unexpected power loss or storage latency issues during a disk write.
- ✓
A previous write operation to the vDisk version was interrupted or failed.
Why this is correct
Interruptions during file operations, such as a server crash or network disconnect during a merge or update, can leave the vDisk version in an inconsistent, corrupted state. PVS detects this during the merge process and throws an error to prevent further damage to the vDisk version chain.
- ✗
The target devices have too many sessions active.
Why it's wrong here
The number of active sessions on target devices has no impact on the ability of the PVS server to merge vDisk versions. Merging is an administrative task managed by the PVS server and is independent of the load or activity on the guest virtual machines.
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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 1Y0-312 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 1Y0-312 exam.