You will need to use the 126.96.36.199 client for Windows 2008 Server - that client is able to connect to a 10g database instance. The 32 bit version may be downloaded here:
And the 64 bit version is available here:
Co-author of "Expert Oracle Practices: Oracle Database Administration from the Oak Table"
IT Manager/Oracle DBA
K&M Machine-Fabricating, Inc.