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Microsoft PL-900 Exam - Topic 4 Question 117 Discussion

You create a Power App portal.When a user signs into the portal the following error displays: user not foundYou confirm that the user's sign in information is correct.You need to determine the cause of the error.What should you do?
C) Enable diagnostic tools in Lifecycle Services.
A) Disable custom error messages.
B) Create a custom error message.
D) Enable Maintenance mode.

Microsoft PL-900 Exam - Topic 4 Question 117 Discussion

Actual exam question for Microsoft's PL-900 exam
Question #: 117
Topic #: 4
[All PL-900 Questions]

You create a Power App portal.

When a user signs into the portal the following error displays: user not found

You confirm that the user's sign in information is correct.

You need to determine the cause of the error.

What should you do?

Show Suggested Answer Hide Answer
Suggested Answer: C

https://docs.microsoft.com/en-us/dynamics365/fin-ops-core/dev-itpro/lifecycle-services/monitoring-diagnostics

https://docs.microsoft.com/en-us/dynamics365/fin-ops-core/dev-itpro/lifecycle-services/user-logins

by Demetra at Jun 11, 2025, 07:04 AM

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Craig
7 months ago
Disagree, custom error messages won't help here.
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Jaime
7 months ago
I think enabling diagnostic tools is the way to go!
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Pearly
8 months ago
Wait, why would enabling maintenance mode fix this?
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Tamar
8 months ago
Definitely check if the user is actually registered in the portal.
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Rebbecca
8 months ago
Sounds like a classic case of user not being in the system.
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Kiley
8 months ago
Maintenance mode seems unrelated to user sign-in issues, but I could be wrong. I need to think this through more.
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Katlyn
8 months ago
I’m a bit confused about the custom error messages. Would disabling them really help identify the issue?
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Sarah
9 months ago
I think enabling diagnostic tools might help us see more details about the error. It sounds familiar from our practice questions.
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Nakita
9 months ago
I remember something about checking user permissions, but I'm not sure if that's directly related to this error.
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Emerson
9 months ago
This seems like a tricky one. I'm not too familiar with Power App portals, so I'd probably start by reviewing the options provided in the question and trying to understand the implications of each. Disabling custom error messages or enabling maintenance mode could be worth considering, but I'd want to make sure I understand the potential consequences first.
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Janey
9 months ago
Okay, let's think this through step-by-step. First, I'd confirm the user's sign-in details are correct. If that checks out, I'd look into the portal's error handling and see if there's a way to enable more detailed diagnostic information to pinpoint the issue.
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Colette
9 months ago
Hmm, I'm a bit unsure about this one. I'd need to do some more research on Power App portals and the potential causes of a "user not found" error. Maybe I should review the course materials or ask the instructor for guidance.
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Yoko
10 months ago
This seems like a straightforward issue with the user authentication process. I'd start by checking the user's sign-in information and the portal's configuration to ensure everything is set up correctly.
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Lisha
12 months ago
Ah, the classic 'user not found' error. It's like the IT version of 'Did you try turning it off and on again?' I'd definitely go with C, the diagnostic tools are the way to go.
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Stephania
12 months ago
Enabling Maintenance mode? That's like trying to fix a flat tire by putting the car in park. Clearly the wrong approach. I'd go with C, like the first two candidates.
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Rhea
11 months ago
B) Create a custom error message.
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Jeniffer
12 months ago
A) Disable custom error messages.
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Janessa
1 year ago
I'm going to have to disagree with the previous candidates. I think the answer is B. Creating a custom error message would give you more control over the user experience and help guide them to the solution.
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Hollis
11 months ago
B) Create a custom error message.
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Ocie
12 months ago
A) Disable custom error messages.
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Holley
1 year ago
I'm not sure about that, maybe we should create a custom error message instead.
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Gail
1 year ago
Disabling custom error messages? That's like trying to fix a leaky faucet by covering it up with duct tape. Not very helpful. I'd go with C as well.
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Ozell
12 months ago
C) Enable diagnostic tools in Lifecycle Services.
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Portia
1 year ago
B) Create a custom error message.
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Ty
1 year ago
A) Disable custom error messages.
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Jarvis
1 year ago
I agree with Sharika, enabling diagnostic tools will help us troubleshoot the issue.
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Sharika
1 year ago
I think we should enable diagnostic tools in Lifecycle Services to determine the cause of the error.
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Charlette
1 year ago
Hmm, I think the correct answer is C. Enabling diagnostic tools in Lifecycle Services would give you more information about the error and help you determine the cause.
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Teddy
1 year ago
C) Enable diagnostic tools in Lifecycle Services.
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Brinda
1 year ago
B) Create a custom error message.
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Lisandra
1 year ago
A) Disable custom error messages.
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