What registry path does Toad reads to load the DB2 Client ?
If Toad is unable to identify the DB2 client, then the registry of your environment might be missing an entry.
Toad looks in both 64bits and 32bits registry location.
Verify that the following path exists.
FOR 64 bits
FOR 32 bits
[HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\IBM]
[HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\IBM\DB2]
[HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\IBM\DB2\CurrentVersion]
[HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\IBM\DB2\GLOBAL_PROFILE]
[HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\IBM\DB2\InstalledCopies]
[HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\IBM\DB2\InstalledCopies\DB2COPY1]
[HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\IBM\DB2\InstalledCopies\DB2COPY1\CurrentVersion]
[HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\IBM\DB2\InstalledCopies\DB2COPY1\PROFILES]
[HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\IBM\DB2\InstalledCopies\DB2COPY1\PROFILES\DB2]
