How to migrate your Exclaimer Cloud subscription to a new Office 365 tenant – Knowledge Base

Relevant Product: Exclaimer Cloud - Signatures for Office 365

To migrate to a new Office 365 tenant, you need to:

Remove the Exclaimer SMTP domain from your previous tenant.
Migrate the Cloud tenant.
Remove any Azure Apps from the previous tenant.

Removing Exclaimer SMTP domain

To remove the Exclaimer SMTP domain from your previous tenant:

Note: Please refer to How to uninstall Server-side Exclaimer Cloud from your Office 365 tenant before you remove the Exclaimer SMTP domain.

If you are splitting from another company and the old tenant is to stay active, then please be aware that this can cause mail flow issues.

Log into Office 365 Admin Center using the Global Administrator credentials for the ORIGINAL tenant.
Navigate to Settings > Domains and remove the entry for your ORIGINAL domain.

To remove the original domain:
- In the Microsoft 365 Admin Center, navigate to Settings > Domains (via the left-hand navigation pane).

- On the Domains page, select the required domain (this will be in the form <unique tenant ID>.smtp.exclaimer.cloud).
For example:

- Click Remove.

- Follow any additional prompts then click Close.

Migrating the Cloud tenant

To migrate the Cloud tenant, follow these steps:

To complete the steps described below, you will need:
Global Administrator access to both Office 365 tenants. If you do not have this, please contact Exclaimer Support to help assist with the migration.

Log into the Exclaimer Cloud portal, launch your subscription, then click the options list from the top-right of your screen and select Settings:

The Settings window is displayed. By default, the Azure/Office 365 Permissions tab is selected.
Click Edit within the Azure/Office 365 Permissions section.

You are prompted to enter the credentials for a Global Administrator. Click OK to proceed.

The Microsoft Sign in window is displayed. Provide your Global Administrator credentials for your ORIGINAL tenant, then click OK.

Once you have successfully signed in, you are returned to the Exclaimer portal.
Enter your NEW Office 365 Domain name then click Next.
You are now directed to a Microsoft environment where you need to enter the Global administrator credentials for your NEW tenant then click OK.
In Exclaimer Cloud, run the Office 365 Connector Setup for the NEW tenant.