Process could note deliver updates (s) at the publisher

I have created a publisher with row filtering using merge replication .I configured 5-6 subscribers for it.It was working fine for 2 months.But now for two subscribers its showing an error Process could not deliver update (s) at the publisher

Ive checked the job history..its showing

Merge process encountered an unexpected network error. The connection to tublisher 'Publishername' is no longer available

can any one help me?

thanks and regards

Dhanya

Sounds like a connection issue. Does it happen intermittently or persistently? If persistently, you can try to use osql.exe to connect to server "Publishername" from the machine that merge process is launched.

Thanks,

Peng

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Ive increased the query time out both at the publisher and subscriber...

now i am getting another message "The process is running and is wainting for a response from one of the backend connections"