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This article provides an overview of the full upgrade process for Business Central in a multitenant deployment. For more detailed steps, see Upgrading the Data: Multitenant Mode.
Prerequisite tasks
| Step | More info | Done |
|---|---|---|
| In the old deployment, convert custom V1 extensions to V2 extensions. | See... | |
| Export permissions and permission sets from the old deployment. Important: Make sure computer uses the same codepage as the data. | See... | |
| Export encryption keys from the old deployment. | See... | |
| Prepare for transitioning from codeunit 1. | See... | |
| Install Business Central components. | See... |
Upgrade the application and prepare it for data upgrade
| Step | More info | Done |
|---|---|---|
| Upgrade the application code. | See... | |
| Mount the upgraded application on the Business Central Server instance. | See... | |
| Import upgrade toolkit (.fob) | See... | |
| Publish system and test symbols from the installation media, and generate application symbols. | See... | |
| Publish the new Microsoft extension versions from the installation media. | See... | |
| Upload a Business Central partner license. | See... |
Prepare the tenant database for data upgrade
| Step | More info | Done |
|---|---|---|
| Backup the tenant database. | See... | |
| Uninstall all V1 extensions. | See... | |
| Dismount the tenant from the old server instance. | See... |
Run the data upgrade on the tenant
| Step | More info | Done |
|---|---|---|
Mount the tenant on the Business Central Server instance. Important: Use the -AllowAppDatabaseWrite parameter. |
See... | |
| Synchronize the tenant. | See... | |
| Synchronize all extensions. | See.. | |
Run the data upgrade. Important: If there are V2 extensions, you must use the -FunctionExecutionMode Serial parameter. |
See... | |
| Install the new V2 extensions that were not installed in the old tenant. | See... |
Post-upgrade tasks
| Step | More info | Done |
|---|---|---|
| Import permissions and permission sets. | See... | |
| Import encryption keys | See... | |
| Upload the customer license. | See... |