![]() ![]() Such Increasing threats and attacks on Microsoft Exchange on-premises server are pushing organizations and businesses across the globe to move their emails from Exchange on-premises to a more secure cloud-based Exchange Online or Office 365, which is unaffected by such attacks. ![]() HAFNIUM is by far the most devastating and invasive attack on Exchange on-premises versions that compromised more than 30,000 organizations worldwide. The group exploited the ProxyLogon vulnerabilities on the on-premise Exchange server to access and compromise the Exchange servers. In this Office 365 migration guide, we listed some best Office 365 migration tools that you can use to migrate mailboxes and data from on-premise Exchange to Office 365 with minimal to no downtime.Įxchange on-premises versions were recently attacked by a Chinese state-sponsored group known as HAFNIUM. Besides security and compliance, businesses and organization are also migrating their emails from Exchange on-premises to Exchange Online (Office 365) due to its features and advantages, such as scalability, built-in anti-malware/spam protection, integration with Azure, anywhere access, and low maintenance/running cost. There is already bug raised for this issue and shall be fixed soon.Recent attacks on the Exchange server have led to a shift from on-premises Exchange server to cloud-based Office 365. If this error still pops-up few more times, click on ok and tool should proceed. Please select the pre-created Outlook profile for user with Administrator rights. It is possible that you may get the error stating that used Outlook profile name is invalid. When you reach to "Users" dialogue page, use "Add" button to specify the ZCS mailbox name in both source and destination options (should be same) which tool will create on ZCS server and all the public folders will be migrated in it. Now you can open it in any text editor and add the To avoid creating complete xml file manually, You can fill all details in UI and save them at "Options" dialogue by using "save" button. You can look for other xml options in documentation provided at: You would need to edit/modify the tool's config xml file and add the public folder migration element manually as follows: There is no UI option available as per now to enable the public folder migration. ![]()
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