First and foremoest I now know I haven’t gone about this the right way, but I do need to get it sorted 
I have a server that has been previously enabled for DB2 access.
The Sh Ser command stated that
DB2 Server: Not Enabled
So I went ahead and unstalled the DB2 access software, but now when I start Domino I get some errors. I checked notes.ini and removed any DB2 related parameters
I also removed files containing DB2 in the filename from the Domino program directory - that has stopped the console errors occuring, but every restart re-inserts the DB2 parameters back in the INI file.
Have also set all parameters on the DB2 tab of the server doc to null, (except the last one, I cannot save the server doc when this is null).
Any ideas?
Mike
Subject: server doc, notes.ini
I’m assuming that you already saved off any valuable data stored in DB2, and deleted any remaining DB2-enabled NSF files. That should be the first step.
Clear the fields in the DB2 tab of the server doc:
Host name
Port number
Instance
Database
Directory
DB2 Access server
DB2 Access path
Set the DB default creation type to ‘NSF’
Shut down the server, and then delet the DB2-related notes.ini values
In the data directory, any NSF that is exactly 5 bytes long with contents: “db2” should be deleted.
That should be all that is necessary to disconnect Domino from DB2. It is highly inadvisable to delete any files from the Domino program directory.
If you are still getting errors, please post them so I can help diagnose the problem.
Subject: I am also interested to know how to do this properly