EMApplog and EMDevlog errors warn that no DN mapping information was available. (NETIQKB41430)

fact
Exchange Migrator 2.x

symptom
EMApplog and EMDevlog errors warn that no DN mapping information was available.

symptom
Error: 'Warning - No DN mapping information was available'

symptom
A popup error is displayed after selecting an object for migration.

symptom

After acknowledging the popup message, the wizard allows you to click finish to complete the migration process, however the object never actually get migrated.

symptom

Popup Error: 'Can't enumerate any more, because the associated data is missing'

symptom

Error: Worknode failed. [CheckLicense][HR=0x80040002]

symptom
Error: --- Worknode FAILED ------------------------ [CheckLicense][HR=0x80040002]

cause

The license key is missing or corrupt.

fix

To resolve this issue:

Reinstall the license key.

For instructions about installing or upgrading the Exchange Migrator license file, see the NETIQKB1146 Knowledge Base article:

'How do I install or upgrade the license for Exchange Migrator?'

Formerly known as NETIQKB41430