{"id":1698,"date":"2015-09-02T20:41:39","date_gmt":"2015-09-02T20:41:39","guid":{"rendered":"http:\/\/microsoftgeek.com\/?p=1698"},"modified":"2015-09-02T20:41:39","modified_gmt":"2015-09-02T20:41:39","slug":"how-to-migrate-on-premises-exchange-mailbox-to-office-365","status":"publish","type":"post","link":"https:\/\/microsoftgeek.com\/?p=1698","title":{"rendered":"How To Migrate On Premises Exchange Mailbox To Office 365"},"content":{"rendered":"

Creating hybrid environment gives the facility to work with both On-premise Exchange as well as Exchange Online. Once the hybrid environment is created, moving mailbox from on premise to online Exchange is a simple job to do. This segment shares the steps that can be followed to move on premise mailbox to Office 365 and deal with changes experienced at clients\u2019 end.<\/p>\n

To move a mailbox from on-premise environment to Exchange Online, we will use the \u201cNew Remote Move Request<\/strong>\u201d wizard. Right-click on the mailbox to migrated it to Office 365 and then select New Remote Move Request option from the menu.<\/p>\n

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Introduction:<\/strong> On this page, click \u2018Next<\/strong>\u2019 button to proceed.<\/p>\n

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Connection Configuration:<\/strong> The \u2018Target Forest<\/strong>\u2019 section is by default set to name of the Exchange forest. Also, provide FQDN<\/strong> for the hybrid Exchange Server that has CAS installed. In addition to this, provide credentials for the on-premise administrator<\/strong> and hit the \u201cNext\u201d button.<\/p>\n

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Move Settings:<\/strong> Click on the \u201cBrowse<\/strong>\u201d button to select the target domain. Since the mailbox is transferred to online Exchange, you do not have option to select target database. Click \u2018Next<\/strong>\u2019 to continue.<\/p>\n

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New Remote Move Request:<\/strong> On this page, check the configuration summary<\/strong> and then click on \u201cNew<\/strong>\u201d button to create new request in Exchange online.<\/p>\n

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Completion:<\/strong> Click on \u201cFinish<\/strong>\u201d button.<\/p>\n

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Under\u00a0the\u00a0Office\u00a0365\u00a0node,\u00a0click\u00a0on\u00a0\u201cMove\u00a0Request<\/b>\u201d.\u00a0Notice\u00a0that\u00a0a\u00a0move\u00a0request\u00a0is\u00a0created.<\/p>\n

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Open\u00a0\u201cProperties<\/b>\u201d\u00a0page\u00a0for\u00a0the\u00a0mailbox\u00a0and\u00a0check\u00a0out\u00a0its\u00a0corresponding\u00a0information\u00a0in\u00a0General<\/b>\u00a0tab\u00a0like\u00a0Percent\u00a0Complete,\u00a0Mailbox\u00a0Size,\u00a0Last\u00a0Up-dation\u00a0time\u00a0etc.<\/p>\n

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In\u00a0the\u00a0Details<\/b>\u00a0tab,\u00a0you\u00a0can\u00a0check\u00a0details\u00a0about\u00a0the\u00a0source\u00a0hybrid\u00a0server,\u00a0the\u00a0source\u00a0or\u00a0target\u00a0versions\u00a0etc.<\/p>\n

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Click\u00a0on\u00a0Log<\/b>\u00a0tab\u00a0where\u00a0a\u00a0complete\u00a0log\u00a0of\u00a0the\u00a0mailbox\u00a0move\u00a0request\u00a0will\u00a0be\u00a0available.<\/p>\n

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Now\u00a0when\u00a0the\u00a0mailbox\u00a0move\u00a0is\u00a0complete,\u00a0this\u00a0request\u00a0can\u00a0be\u00a0cleared.\u00a0For\u00a0this,\u00a0select\u00a0the\u00a0move\u00a0request,\u00a0right-click\u00a0on\u00a0it,\u00a0and\u00a0then\u00a0choose\u00a0\u201cClear\u00a0Move\u00a0Request<\/b>\u201d.<\/p>\n

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 <\/p>\n

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When\u00a0the\u00a0mailbox\u00a0is\u00a0moved\u00a0to\u00a0Office\u00a0365,\u00a0the\u00a0source\u00a0object\u00a0will\u00a0get\u00a0converted\u00a0into\u00a0the\u00a0Mail\u00a0Enabled\u00a0User\u00a0object\u00a0and\u00a0will\u00a0be\u00a0visible\u00a0as\u00a0remote\u00a0mailbox.<\/p>\n

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Now,\u00a0the\u00a0emails\u00a0that\u00a0are\u00a0sent\u00a0to\u00a0the\u00a0on-premise\u00a0Exchange\u00a0organization\u00a0should\u00a0be\u00a0routed\u00a0to\u00a0the\u00a0mailbox\u00a0on\u00a0online\u00a0Exchange.\u00a0For\u00a0this,\u00a0the\u00a0email\u00a0address\u00a0is\u00a0set\u00a0to\u00a0alias@tenant_name.mail.onmicrosoft.com<\/p>\n

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Client\u00a0Behavior\u00a0after\u00a0Mailbox\u00a0Move<\/b><\/p>\n

Now,\u00a0we\u00a0will\u00a0discuss\u00a0as\u00a0how\u00a0the\u00a0mailbox\u00a0move\u00a0will\u00a0be\u00a0detected\u00a0by\u00a0clients\u00a0that\u00a0are\u00a0used\u00a0to\u00a0access\u00a0Exchange\u00a0mailbox.<\/p>\n

MS\u00a0Outlook:<\/p>\n

While\u00a0the\u00a0move\u00a0request\u00a0is\u00a0in\u00a0process,\u00a0opening\u00a0Outlook\u00a0will\u00a0revert\u00a0back\u00a0will\u00a0following\u00a0error:<\/p>\n

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When MS Outlook is restarted, it discovers that the mailbox is converted into MEU object. With the help of auto-discover and the E-mail address being routed to the MEU object, Outlook will be redirected to the auto-discover service of Exchange online. Since basic authentication is used by Exchange online, a user will be asked to enter the mailbox credentials: username and the password.<\/p>\n

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Exchange\u00a0Active\u00a0Sync\u00a0Based\u00a0Clients:<\/p>\n

While MS Outlook can automatically deal with mailbox move to Exchange online through auto-discover option but same is not the case with Active Sync profile. In this case, the profile has to be manually configured. In case of Windows 8 phones and iOS clients, the updation takes place manually while in case of Android phones, the profile has to be created manually.<\/p>\n

Outlook Web App:<\/p>\n

For Exchange hybrid configuration, a new namespace was introduced which is linked to the hybrid servers. Also, a CNAME record was created that is responsible for forwarding the traffic from HTTPS to hybrid.office365lab.dk (pointing to TMG). When mailbox is accessed using OWA, following changes will be encountered by the user working on-premise:<\/p>\n