Inconsistent get item response (0 items returned but more are available).
This error occurs when the Source server is overloaded and MigrationWiz is unable to get consistent responses from the Exchange server. To prevent additional issues, MigrationWiz stops the migration.
Resolve this issue by investigating the health of the Source server. To help reduce the load on the server, lower the number of concurrent migrations.
This error can also occur because the number of items in a single folder is quite large, and causes the Source server to return only partial responses.
If this error persists, using the Advanced Support option DisableEWSDataConsistencyCheck=1 will bypass the consistency check, but may result in missing items.