Advanced Options for Hosted Exchange

While the default options are recommended for the majority of organisations, CloudM Migrate gives users the ability to customise their migration experience. The following are some of the Advanced Options available to customers migrating from Hosted Exchange. Changing some of these options will change the way data is migrated.


Excluded Item Classes - Specify the list of item classes that will not be processed as part of a migration. Exact matches are made on the value specified here.

Log Excluded Items - Include excluded mail items in the migration reports. May produce large reports where many items are not migrated due to matching rules.

Recoverable Mail Items - Select how to include recoverable mail items when migrating from Exchange and Office 365.

Extended MAPI Properties - Specify the list of custom MAPI properties to migrate (valid when migrating to Exchange/Office 365 only).

Included Item Classes - Specify the list of item classes that will be processed as part of a migration. Wildcard matches can be used.

Migrate SMIME Signed Messages Without Modification - When migrating SMIME signed messages, perform no modification of the messages. This could mean some other features of CloudM Migrate may not be executed, such as moving attachments to Drive or ensuring the sent address is correct. It will ensure however that the digital signature verifies.

Recoverable Mail Items Label/Category - Apply the specified label/category to items migrated from within the Recoverable Items folder. Leave empty to not apply a label/category.


Primary Contact Type - Choose either SMTP or SIP address when resolving contact email addresses.

Exclude Group GAL Contact Aliases - Exclude additional email addresses (aliases) when resolving a Group GAL contact.


Migrate Non-Organizer Attendee Statuses - Attempt to migrate attendee statuses for appointments where the migrating user is not the owner (when the owner is being migrated attendee statuses are always preserved). Due to API limitations, for any appointments from outside of the domain and from any accounts that no longer exist the attendee status will always not be migrated.

Exchange 2007 Calendar Timezone - The default timezone to use with appointments when migrating from Exchange 2007 when the timezone is not identified by other means.

Public Folders

Include Public Folders in User List - Specifies whether Public Folders will be obtained when getting a user list.

Public Folder User Name - The primary SMTP email address of the user that will be used when migrating Public Folders. This user must have an active mailbox.


Direct Exchange EWS URL - The optional direct Exchange EWS server URL if the server for all users is known and constant. Used in preference of the Exchange URL if present. Usually, autodiscovery should be used.

Use Workstation Credentials - Use the credentials of the logged in user of the workstation to perform migrations rather than the provided username and password. The admin username and password is still required for auto-discovery.

Authentication Method - Choose the authentication type that will be used with the server. For Office 365 this should be set to 'Modern'.

Credential Method - Choose whether to use Impersonation (recommended) or the user credentials when Impersonation cannot be used.


Migrate Account Delegates - Migrate user account delegation.

Migrate Out Of Office - Migrate user Out Of Office settings.

Migrate Signature - Migrate user signature settings.

Transfer and Performance

Retry Count - The number of times an operation will be attempted before failing.

Timeout - The timeout that will apply to communications with the Exchange server.

Max Wait Time - Specify the maximum time that a wait operation can wait between exponential backoff retry attempts.

Use X-AnchorMailbox Header - When using application impersonation, use the X-AnchorMailbox header to improve performance.

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