Error using Auto Discover to connect to Office 365: "The remote server returned an error: (401) Unauthorized." (4222370)

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Titolo

Error using Auto Discover to connect to Office 365: "The remote server returned an error: (401) Unauthorized."
Descrizione

When attempting to connect to Office 365 using Auto Discover, the following message is displayed on screen:

"Could not connect to the Autodiscover service on Exchange.
The service does not exist or the account you use does not have sufficient permissions to access the service.
Alternatively, select a different connection method."

QuestSoftware.Emo.log shows:
Sep 28 14:35:39.662 [9416:0020] 17 Autodiscover.GetRedirectUrl(): Trying GET redirect URL on non-SSL URL 'http://autodiscover.company.com/autodiscover/autodiscover.xml'
Sep 28 14:35:39.678 [9416:0020] 17 Autodiscover.GetRedirectUrl(): Exception: System.Net.WebException: The remote server returned an error: (401) Unauthorized.
at System.Net.HttpWebRequest.GetResponse()
at QuestSoftware.Emo.Autodiscover.GetRedirectUrl(String url)
Causa

Recovery Manager for Exchange expects to redirect from autodiscover.company.com to https://autodiscover-s.outlook.com/autodiscover/autodiscover.xml in one redirect, not two. The 1st redirect is to a local Load Balencer, which there is a prompt on screen, rather then just redirecting to Office 365
Risoluzione

WORKAROUND

1. On the Recovery Manager for Exchange machine Edit the local hosts file located at C:\Windows\System32\Drivers\etc
2. Ping autodiscover-s.outlook.com from Command Prompt
3. Note the IP address that is returned
4. From within the Hosts file, add an entry for autodiscover.company.com to the IP address found in the above Ping request:
autodiscover.company.com 40.xx.xxx.xx
5. Save & Close the Hosts file
6. Try adding your Office 365 Mailbox again in the Recovery Manager for Exchange Console.

STATUS
Enhancement Request RMEX-344 has been submitted to Development for consideration in a future release of Recovery Manager for Exchange
ID difetto

RMEX-344

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Contenuti consigliati

Prodotto/i:: Recovery Manager for Exchange
5.8.1

Argomento/i:: Troubleshooting

Cronologia articoli:: Data di creazione: 10/12/2017
Ultimo aggiornamento: 5/7/2023

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Error using Auto Discover to connect to Office 365: "The remote server returned an error: (401) Unauthorized." (4222370)

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