Is there limit to number of CSV files for Migration?
There isn’t a limit for the number of mailboxes that you can migrate to the cloud using a staged Exchange migration. However, the CSV file for a migration batch can contain a maximum of 2,000 rows. To migrate more than 2,000 mailboxes, you have to create additional CSV files and then use each one to create a new migration batch.
Can a CSV file be used for an exchange migration?
A cutover Exchange migration doesn’t support using a CSV file because all on-premises user mailboxes are migrated to Microsoft 365 or Office 365 in a single batch. The first row, or header row, of a CSV file used for migrating users lists the names of the attributes, or fields, specified on the rows that follow.
Why is my CSV file not migrating to SharePoint?
A duplicate task has already been created. The CSV file used to do bulk migration cannot have duplicate entries. Remove the duplicate line (s) and try again. The parent folder was not migrated, therefore all items under the folder will fail to migrate. Check your parent folder and retry your migration.
How to troubleshoot mover migration errors during migration?
Error: “Authorization failure” shown on the connector. Confirm that the connector is fully authorized or Reauthorize the connector. Error: “Please retry” during migration. Review log and confirm source/destination paths for user; check syntax if user transfer row was uploaded via .csv
Can a CSV file be used for Mailbox Migration?
CSV files for Mailbox migration. You can use a comma-separated values (CSV) file to bulk migrate a large number of user mailboxes. You can specify a CSV file when you use the Exchange admin center (EAC) or the New-MigrationBatch cmdlet in Exchange Online PowerShell to create a migration batch.
What does target environment mean in CSV file?
Target environment denotes the location that the mailbox will be migrated to or the database that the mailbox will be moved to. All mailboxes that are specified in the CSV file will be migrated, even if they are outside of the RBAC scope (for example, an OU) that gives the admin permissions to migrate mailboxes.
When to override attribute values in CSV file?
Attribute values in the CSV file override the value of the corresponding parameter when that same parameter is used when creating a migration batch with the EAC or Exchange Online PowerShell. If you want the migration batch value to be applied to a user, you would leave that cell blank in the CSV file.
How to create a user mapping file for data content migration?
Enter the values for your user-mapping. Column A: From the source location, enter the log-in name of the user. Required. Column B: On the target site, enter the user principal name (UPN). Required. Column C: If the user principal name on the target site is an Active Directory (AD) group, enter TRUE. If it’s not an AD group, enter FALSE. Required.
Can a CSV file be moved to a different database?
You can specify a different database in the different rows of the CSV file, which lets you move archive mailboxes in the same migration batch to different databases. If you specify a specific archive database, the archive mailbox (if it exists) will be moved to the same database as the primary mailbox.