Oracle database access problem over WAN

10 pts.
Tags:
Oracle 10g
Oracle Database
Oracle Database 10g
WAN
We are using ERP applications where application serve is at one location and database server at different location. both locations are connected through a 2 MBPS MPLS link ( latency 4-5 ms). problem is that sometimes i can login to the application and sometimes i get TNS packet writer failure error, this happens particularly when we try with a user id which is having more roles (heavy profile). other application like RDP or web applications work fine over the same link. when i try to login into the application from data centre itself there is no problem i can login with any user ID. please suggest some solution.

Software/Hardware used:
oracle 10g
ASKED: November 21, 2009  1:12 PM
UPDATED: November 23, 2009  1:43 PM

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