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Título
On Demand Migration Autodiscover fails to retrieve the EWS URL -
Descrição
On Demand Migration (ODM) mailbox fails with the following errors:
- Error creating source session. Could not locate mailbox using Autodiscover(Could not locate mailbox using Autodiscover)
- Could not locate mailbox using Autodiscover(Could not locate mailbox using Autodiscover)
- Autodiscover failed to find the EWS URL for mailbox
- The Autodiscover service couldn't be located. The Autodiscover service couldn't be located. (The Autodiscover service couldn't be located.)
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Causa
Some challenges when migrating that can be resolved by using the EWS URL for the mailbox migration.
- Migrating from a Microsoft Office 365 source tenant when it is configured in Hybrid mode.
- Post domain cutover steps see KB 4343974.
- Autodiscover records are pointed to On-premise Microsoft Exchange server, with a CNAME record to redirect the request to Office365.
- This typical Setup poses redirection challenge and On Demand Migration (ODM) fail to retrieve Exchange Web Services (EWS) URL.
- The issue can be also caused by missing consents on source tenant.
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Resolução
Select a custom EWS URL within the ODM, Accounts or Mailbox Dashboard tab by clicking Configure Connections.
- From within the Migration module select your Project
- Click on Accounts or Mail
- On the Dashboard tab click Configure Connections
- Select the tenant and click Edit
- Click to the left of Advanced to expand this section
- Enter https://outlook.office365.com/EWS/Exchange.asmx" into the Custom EWS URL field
- Click Save
Microsoft EWS endpoints:- Worldwide: https://outlook.office365.com/EWS/Exchange.asmx
- GCC High: https://outlook.office365.us/EWS/Exchange.asmx
- DOD: https://outlook-dod.office365.us/EWS/Exchange.asmx
- China: https://partner.outlook.cn/EWS/Exchange.asmx
NOTE: More information is available from Microsoft.
https://learn.microsoft.com/en-us/microsoft-365/enterprise/microsoft-365-endpoints?view=o365-worldwide