saludos, has verificado esto??
Doc ID: Note:3437884.8
Bug 3437884 10g client cannot connect to 8.1.7.0 – 8.1.7.3 server
This note gives a brief overview of bug 3437884.
Affects:
Product (Component) Oracle Server (Rdbms)
Range of versions believed to be affected Versions >= 10.1.0.2 but < 10.1.0.3
Versions confirmed as being affected
* 10.1.0.2
Platforms affected Generic (all / most platforms affected)
Fixed:
This issue is fixed in
* 10.1.0.3 (Server Patch Set)
* 10.2.0.1 (Base Release)
Symptoms:
Related To:
* Error May Occur
* ORA-3134
* Interoperability (Between Releases)
Description
10g clients report an ORA-3134 when connecting to any database
version below 8.1.7.4. This error should only be reported for
database versions below 8.1.7.0. Versions 8.1.7.0 to 8.1.7.3
should allow 10g clients to connect to them.
The error received is:
ORA-3134: Connections to this server version are no longer supported
See Note 207303.1 for details of interoperability support between
versions.
Note: The fix for this issue is at the 10g client end.
This issue does not affect connections from an 8i client
to a 10g database, only a 10g client to an 8.1.7.[0-3] server.