ADOP fails with [ERROR] ETCC not run in the database node DBHOSTNAME in R12.2

Reason:

It might be due to mismatch in host name between APPS.FND_NODES and APPLSYS.TXK_TCC_RESULTS tables.

Solution:

1. Login to the database as APPS schema.

2. Validate the data in FND_NODES  and TXK_TCC_RESULTS  table.

3. Download the ETCC Patch - 17537119 ,unzip the patch and  run the following on the Database Node (Recommended)

Please note if it's a RAC database you have to run on all nodes individually.

sh checkDBpatch.sh

or 

3. Update the correct node name in APPLSYS.TXK_TCC_RESULTS table.