thanx for reply

there is 2 system in different location and windows server 2008 r2 installed on both. and sqlserver 2008 r2 installed on both the machine.

i m trying to build a replication with updateable subscription.publisher build successfully but at the time of adding subscriber and executing subscription that time i m facing this error no. 7391

on both server link server test connection passed.

i have confiqured MSDTC properly according to my knowledge and dts on both pc running.firewall on both pc off

i have attached a screenshot of msdtc setting if any further setting required pls tell me..

thanx in advance