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
- EML to PST ExportEML files export to Outlook PST format
- PST to MSG ExportOutlook PST files export to MSG format
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 » Migration and Throttling Management

ErrorExceededConnectionCount

Problem

You may get this error when more number of mailboxes are being migrated which establishes more number of connections to Exchange server or when more number of messages processed by it.

Solution:

Message throttling: Group of limits that are set on the number of messages and connections that can be processed by an Exchange server. These limits are required to protect an Exchange server from being flooded with messages/connections. However you can change the default settings to match your requirements.

Open the Exchange Management Shell.
Enter the the below command:
- To get the current allowed number of concurrent connections per use
  Get-ThrottlingPolicy | Format-List -Property Identity, EWSMaxConcurrency
- To increase the value of allowed number of concurrent connections per user on Exchange Server 2010 machine:
  Set-ThrottlingPolicy -Identity DefaultThrottlingPolicy* -EWSMaxConcurrency $null

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