Products
Exchange EDB / Email Recovery Tools
- EDB Recovery and MigrationRecover EDB to PST, EDB to Office 365 and Exchange NO Duplicate Migration
- OST Recovery and MigrationRecover OST to PST, OST to Office 365 and Exchange Migration
- PST Recovery and MigrationRecover Outlook PST, PST to Office 365 and Exchange Migration
- MBOX Export and MigrationExport MBOX to PST, MBOX to Office 365 and Exchange Migration
- NSF Export and MigrationExport NSF to PST, NSF to Office 365 and Exchange Migration
Exchange and Office 365 Migration
- Exchange Server MigrationMigrate Exchange 2007, 2010, 2013, 2016, 2019 to Office 365 tenants. Also, migrate between Exchange servers and PST
- Office 365 MigrationMigrate Source Office 365 tenants to Destination Office 365 tenants. Also, migrate to Exchange Server and PST
- IMAP Email Backup & MigrationMigrate all IMAP email servers (Gmail, Zimbra, Zoho, Yahoo etc.), Office 365, Exchange and Backup to Outlook PST
- SharePoint Online MigrationMigrate documents, files and folders from SharePoint sites
- OneDrive for Business MigrationMigrate documents, files and folders from OneDrive
- Microsoft Teams MigrationMigrate Teams, documents, files and folders etc.
Exchange and Office 365 Backup
- Office 365 BackupIncremental, Granular, Encrypted and Compressed Office 365 Mailboxes Backup
- Exchange Server BackupIncremental, Granular, Encrypted and Compressed Exchange Mailboxes Backup
- SharePoint, OneDrive & Teams BackupBackup Online site collections, Team sites, Office 365 groups, all documents etc.
- Duplicate Remover - Office 365 & Exchange Remove duplicate emails, calendars, contacts, journal etc. from Office 365 and Exchange
- GAL and All Address Lists migrationDirectly migrate Exchange and Office 365 Global address list and Address Lists items
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Blog » Login - Exchange, Office 365 and more

Login issues - Not Found Error

Problem

404 Not Found

This error may appear due to following reasons

Note: Office 365 Business licenses don’t include Exchange.

Invalid credentials.
The admin account doesn’t have the sufficient permissions to login to the target server
Mailbox Email address is not the Primary SMTP address

The primary SMTP address must be specified when referencing a mailbox.
Wrong license.

Solution

Check the credentials by logging into the OWA.
Try to log in to the target mailbox with the admin credentials.
Ensure that the email address specified is the primary SMTP address for the end user.
If admin credentials are used ensure that the SMTPS has sufficient rights.
Check the authentication settings.

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