run report from MAC for E-Bisiness Suit.

HI ,

 I have the following spec. for DB , App,Client.  When I run the report from Windows Cleint , it runs successfully. But from MAC, it gives " authentication Failed" . Any advice ---

1) Database and Application Details :

 DB = Oracle Database 11g Enterprise Edition Release 11.1.0.7.0 - 64bit Production

 APPLICATION = Oracle ERP Application version is 12.1.3

2) Cleint Side  Details:

Safari Browser version : 5.0.6

Mac Version : 10.5.8

3) Error/Problem Details:

There is a report , it can run successfully from the Windows client. However , if we run the same report from MAC , then it

gives the following error-

“The authentication failed”

Thanks.