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I'm currently utilizing PowerShell 5.1 to run ExchangeOnline to do several admin things that the Exchange Admin Center doesn't seem to allow or utilize. Normally when I try to Connect-ExchangeOnline it opens up a browser and asks me to use my SSO creds to log in to the admin center to make sure I'm able to connect. Lately though it's not been letting me log in and this is causing serious workflow issues. My senior tech doesn't have a clue what it could be about. I've made sure that my default browser for everything is Edge (it's trying to open an old version of explorer (which should also be up to date) from what I can gather) in settings. I just can't seem how to get it to proc correctly.
Clicking the link to the aka.ms/mysecurityinfo throws me into a login loop where I'm asked to SSO into my admin account then asked to set up an MFA app which I have authentication through my phone and don't want to use an application, so I select "skip setup" in a normal login situation this would then load whatever I'm logging into. With this situation it pushes it back to the screen after I enter my password which says, "We need more information regarding your account" (which then selecting "Okay" pushes me back into the mfa "set up app" screen) and I can't ever be "logged in" to Exchange to utilize in PowerShell.
It should be noted that I can use and login to PowerShell 7 but the code I'm running doesn't function correctly in it and the rest of my team is using 5.1 so I need to stay cohesive in my environment.
If anyone has any advice, I'd be grateful.
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Hi @TotallyNotACorpAccount ,
Do you set default Edge but use IE to open pages? Could you connect to your Exchange Online account on someone else's device?
Hello, I'm here to confirm that is there any progress in your question?
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Also seeing this issue on 2016 RDS hosts.
I have removed IE but still happening.
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What a headache.
For me it was just that Microsoft was trying to get me to authenticate my sign in methods. Pasting the URL https://aka.ms/mysecurityinfo into another browser allowed me to confirm my login methods were good. Once confirmed the -interactive login prompt worked fine again.
Found a solution.
Setting the reg key as specified here resolved the issue for me.
HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION
Set OUTLOOK.EXE DWORD to Decimal 11001 and restart Outlook.