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Web Synchronization got struck with "Downloaded snapshot file xxxxx_367.bcp"

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Greetings,

I configured a SQL Server Web Synchronization between two domains (without VPN, IIS 7.5, SQL Server 2008 R2, Merge replication with pull). The configuration was successful and  i set output log file and have seen the messages like

2013-05-07 04:58:42.347 Downloaded snapshot file 'ACTION_ITEM_ATTACHMENTS_3.sch'.
2013-05-07 04:58:42.862 OLE DB Subscriber 'SERVERNAME\SQL2008R2STD': {call sys.sp_MSadd_merge_history90 (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)}
2013-05-07 04:58:42.862 Percent Complete: 0
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My database contains around 700 tables to replicate. After few hours when i checked the status of replication at subscriber side, i realized that it struck with the message like,

2013-05-07 05:27:50.050 Downloaded snapshot file 'UOM_MSTR_366.bcp'.
2013-05-07 05:27:50.752 OLE DB Subscriber 'SERVERNAME\SQL2008R2STD': {call sys.sp_MSadd_merge_history90 (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)}
2013-05-07 05:27:50.752 Percent Complete: 0
2013-05-07 05:27:50.752 Downloaded snapshot file 'UPGRADE_LOG_367.bcp'.


I restarted the agent and it started from the beginning. After few hours i checked again it shows message as above (with different table name) .  When i checked internet connection between two domain, i have seen that there is a connection timeout in between (for milliseconds only).  

Reply from 213.xx.xxx.xx: bytes=32 time=475ms TTL=114
Reply from 213.xx.xxx.xx: bytes=32 time=82ms TTL=116
Reply from 213.xx.xxx.xx: bytes=32 time=81ms TTL=116
Reply from 213.xx.xxx.xx: bytes=32 time=240ms TTL=114
Request timed out.
Reply from 213.xx.xxx.xx: bytes=32 time=443ms TTL=114
Reply from 213.xx.xxx.xx: bytes=32 time=367ms TTL=114
Reply from 213.xx.xxx.xx: bytes=32 time=350ms TTL=116

Then i increased internet_timeout property to 1800 at subscriber side. But still getting the issue. What is the cause of this ? How can i overcome this issue?



Regards

Dominic


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