Incremental migration approaches require having both versions of Teamwork Cloud servers running - 19.0 (SP3 or SP4) and 2021x Refresh2. Thus, two active licenses are required. Please contact your sales executive to obtain a temporary license key for migration.
All in one go
You can migrate the entire Teamwork Cloud database in one go. However, there will be downtime in production while data is being migrated from the source database ("esi" keyspace) to the target database ("twc" keyspace). This strategy may not be applicable if the source database is of significant size. During migration, the source database size increases by ~30-40% (the amount used by the new "twc" keyspace). However, after full migration, the old "esi" keyspace in the source database can be effectively dropped using the data manager command which leaves the database only with the "twc" keyspace.
The strategy of migrating the Teamwork Cloud database all in one go.
To migrate the Teamwork Cloud database all in one go