User cannot connect to AOS, sometimes

I have a user that shuts down her computer every night. When she starts up in the morning and tries to connect to AX she gets the error about not being able to connect. I run the AX32.exe as admin and am able to connect just fine. She tries again immediately after and can still not connect. She waits a little while (maybe 30 minutes) and then suddenly she can connect. 

I deleted her user in AX and re-imported her. That fixed it for that day. The next day she again could not connect till almost an hour after starting her computer.

Today, she cannot run reports that she ran just fine yesterday. She is getting an error that says:

The request failed with HTTP status 401: Unauthorized

I'm not sure what is going on. I have checked and she does have the correct roles to view and run the reports. And she is a user who should be able to log in without problems.

Does anyone have any thoughts?

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