Error 8500201D

This seems to be a old and constant error that comes up in a lot of windows phones and after searching looks like the only true answer is to switch to an android phone.

here is what I am getting after several years of using a Windows phone with no real problems.

Nokia Lumia Icon 929 up to date in upgrades.

Starting Monday the 5th of September I have been getting this error.

 

Hotmail error

 

Last updated on Monday

 

We can’t connect to eas.outlook.com right now. Make sure you have a connection, then go to your mail account and tap Sync to try again.

 

Last tried 7 minutes ago

Error code: 8500201D

I have tried everything in previous threads but I have not had a satisfactory result.

The only thing that I have not done is reset the phone, I did delete most mails that I had in all the different folders. But same results.

There has to be someone or somewhere that can solve the problem. Verizon stores are not much help.

HELP any help will be appreciated.  

 

Question Info


Last updated September 9, 2019 Views 7,367 Applies to:

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I have that same issue. Lumia 920 with WP8.1 with all updates installed and I get this error every time I try to "refresh" my mailbox. The weird thing is that new emails come to the device.. but when I click refresh it throws mentioned above error.

On my computer when I use Microsoft Office Outlook application it displays half of my mailbox (some emails are missing in a view).

But it works well with Microsoft Mail application @ Windows 10 desktop and in a web access.

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You can try logging into your Outlook webmail and go to Settings > Options.

Then under Mail, look for Accounts, then POP and IMAP.

Click Yes on Let devices and apps use POP, and save the changes.

Restart your phone, then try syncing your phone.

Let me know if it's any better.

 

If this doesn't work, you may really need to reset the phone and configure your Hotmail/Outlook again. :(

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It is not the case of using POP or IMAP. It uses Exchange ActiveSync protocol. Also as I mentioned, I receive new messages..

I suspect outlook.com team as being guilty of doing something bad.. :)        

Have a look here:

http://downdetector.com/status/outlook

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Error code 8500201D during sync is data corruption in mail, calendar, contacts, sms - any item(s) in the ActiveSync process may cause this. There are potential issues in recurring calendar events, contacts (and their pictures), SMS and MMS backup, etc.

Apart from poking around and try delete and edit stuff or change settings, the most reliable workaround is delete and recreate the account. For the primary Microsoft account on Windows Phone that's a hard reset, sadly.
Expect to lose the items that failed to sync, and verify all contacts, calendars etc.

https://support.office.com/article/40676AD0-C831-45AC-A023-5BE633BE798D
and its links, is how it is supposed to work.
There's a troubleshooting and workarounds section for other issues down the page.

--
Hans

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It worked, looks like mail is back to normal. Thanks

It looks like as usual on the update of Outlook Microsoft made changes and screw us up.

Thanks again.

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Allowing POP worked and fixed problem for about one hour then the error 8500201D came back again. tried the same fix again and did not work.

I just don't feel like doing a hard reset and having to configure the phone again. Microsoft should have a fix since they are the ones that did this instead of leaving things alone when they are working. Definitely my next phone will not be a windows phone, too many headaches.  

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I have the exact same issue.

Enabling POP didn't work for me so I performed a hard reset .... and it still doesn't sync! So don't do  it.

I'm chatting to Microsoft Support right now.

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Thanks for letting us know.

BTW what were you referring to when you say "hard reset"?

I'm guessing that must a factory reset?

Have a good day.

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Yes, I'm referring to a factory reset. The one that deletes all your data

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Please let us know what Microsoft Support has to say.

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