Data migration must be performed with Cassandra 3. After migration is completed and data is verified, upgrade to Cassandra 4.

Depending on whether you need your current Teamwork Cloud database or not, there are two different approaches you can use:

Steps for migrating data from Teamwork Cloud 19.0 SP3/4 to Teamwork Cloud 2021x Refresh2 (latest version).

If you are staying on Teamwork Cloud 2021x after migration, complete the steps below. Otherwise, proceed to Teamwork Cloud 2022x upgrade.