The answer is that the user lacks the 'Microsoft Sentinel Contributor' role on the subscription containing the workspace. This is the most likely cause of the cross-workspace incident view error because, while Azure Lighthouse provides the single-pane-of-glass visibility for incident lists, clicking into an incident triggers a resource path lookup that requires subscription-level Contributor permissions on the Sentinel resources themselves—not just on the workspace. On the SC-200 exam, this scenario tests your understanding that cross-workspace visibility and incident investigation are separate permissions; a common trap is assuming Lighthouse delegation alone grants full access. Remember the memory tip: "Lighthouse shows the list, but Contributor opens the incident."
SC-200 Manage a security operations environment Practice Question
This SC-200 practice question tests your understanding of manage a security operations environment. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Your organization uses Microsoft Sentinel with multiple workspaces for different business units. You need to provide a single-pane-of-glass view for incident management across all workspaces. You have deployed Azure Lighthouse to manage multiple workspaces from a single portal. The SOC team is able to see incidents from all workspaces, but when they try to investigate an incident by clicking on it, they receive a 'Resource not found' error. The team has the necessary permissions on the Sentinel resources. What is the most likely cause of this error?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The user does not have the 'Microsoft Sentinel Contributor' role on the subscription containing the workspace.
The 'Resource not found' error when clicking an incident in a cross-workspace view typically occurs because the user lacks the 'Microsoft Sentinel Contributor' role at the subscription level that contains the workspace. While Azure Lighthouse enables cross-workspace visibility, each workspace's Sentinel resources require the user to have the Contributor role on the subscription (or at least the resource group) to access incident details, not just the workspace itself. Without this role, the portal cannot resolve the resource path for the incident.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
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 workspace is in a different Azure region.
Why it's wrong here
Region does not block access if permissions are correct.
✓
The user does not have the 'Microsoft Sentinel Contributor' role on the subscription containing the workspace.
Why this is correct
Lighthouse requires subscription-level role assignments for full access.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Cross-workspace queries are not enabled in Sentinel.
Why it's wrong here
Cross-workspace queries are supported with Lighthouse.
✗
The incidents are generated by analytics rules that are not deployed in the user's workspace.
Why it's wrong here
Incidents are visible regardless of rule origin.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates assume Azure Lighthouse alone grants full access to all resources, but they overlook that Sentinel-specific RBAC roles must be assigned at the subscription scope, not just the workspace, for incident detail retrieval.
Detailed technical explanation
How to think about this question
Under the hood, Azure Lighthouse uses delegated resource management to project resources from multiple tenants into a single management tenant. However, Sentinel incidents are stored as Azure resources (Microsoft.SecurityInsights/Incidents) within the workspace's resource group. To read these resources, the user must have the 'Microsoft Sentinel Contributor' role at the subscription or resource group scope—not just at the workspace level—because the portal's incident details pane performs a GET request against the resource ID, which requires RBAC permissions on the parent subscription. In a real-world scenario, if a SOC analyst has only 'Reader' permissions on the subscription but 'Contributor' on the workspace, they can see incident lists but cannot open incident details.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this SC-200 question in full detail.
Manage a security operations environment — This question tests Manage a security operations environment — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The user does not have the 'Microsoft Sentinel Contributor' role on the subscription containing the workspace. — The 'Resource not found' error when clicking an incident in a cross-workspace view typically occurs because the user lacks the 'Microsoft Sentinel Contributor' role at the subscription level that contains the workspace. While Azure Lighthouse enables cross-workspace visibility, each workspace's Sentinel resources require the user to have the Contributor role on the subscription (or at least the resource group) to access incident details, not just the workspace itself. Without this role, the portal cannot resolve the resource path for the incident.
What should I do if I get this SC-200 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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