#Requisite forms to go public how to
#Requisite forms to go public upgrade

To perform the migration procedures in this article, you can't use the Exchange admin center (EAC). See Enable the MRS Proxy endpoint for remote moves for details. MRS Proxy needs to be enabled on at least one Exchange server, a server that is also hosting public folder mailboxes. For more information, see Ways to migrate multiple email accounts to Microsoft 365 or Office 365. If you intend to migrate users to Microsoft 365 or Office 365, you should complete your user migration prior to migrating your public folders. However, a maximum of 100 public folder mailboxes is supported for migration from Exchange Server. In Microsoft 365, Office 365, and Exchange Online, you can create a maximum of 1000 public folder mailboxes.

If your current public folder quotas in Exchange Online are less than 25 GB, you can use the Set-OrganizationConfig cmdlet to increase them with the DefaultPublicFolderIssueWarningQuota and DefaultPublicFolderProhibitPostQuota parameters. See Exchange Online Limits for more information. If neither option is feasible, we recommend that you do not move your public folders to Exchange Online. Note that the 25 GB limit cited here only applies to the public folder and not to any child or sub-folders the folder in question may have.

For details, see Add Members to a Role Group.īefore you begin the public folder migration, if any single public folder in your organization is larger than 25 GB, we recommend that you delete content from that folder to make it smaller, or divide the public folder's content into multiple, smaller public folders. In Exchange Server, you need to be a member of the Organization Management or Server Management RBAC role groups.

#Requisite forms to go public how to

For details about how to enable the Organization Management role group, see Manage role groups. This role group is different from the permissions assigned to you when you subscribe to Microsoft 365, Office 365, or Exchange Online. In Exchange Online, you need to be a member of the Organization Management role group. See Prepare Active Directory and domains for more information.

This Active Directory preparation ensures that all relevant PowerShell cmdlets and parameters are available to you for preparing for and running the migration.

#Requisite forms to go public upgrade

When you upgrade to Exchange Server 2013 CU15 or later, or to Exchange Server 2016 CU4 or later, you must also prepare Active Directory or your public folder migration will fail. We strongly recommend you review FAQ: Public folders before you attempt a migration. What do you need to know before you begin? If you have a mixed environment of both Exchange 2013 and Exchange 2016/2019 public folders in your organization, and you want to move them all to Exchange Online, the instructions in this article will work for you, provided your Exchange 2013 servers have CU15 or later installed.įor instructions on migrating Exchange Server 2010 public folders to Exchange Online, see Use batch migration to migrate legacy public folders to Exchange Online. All versions of Exchange Server 2019 are supported for batch migrations of public folders. Migrating your Exchange Server public folders to Exchange Online requires Exchange Server 2013 CU15 or later, or Exchange Server 2016 CU4 or later, to be running in your on-premises environment. Applies to: Exchange Server 2013, Exchange Server 2016, and Exchange Server 2019