Has anyone encountered problems with an application using hibernate once resume many times concept and ewf ram reg mode on embedded win 7

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C#4.0

Hibernate

We have a standalone application on embedded win 7 which uses HORM concept and ewf ram reg mode. The server is on vxworks and both are connected via an ethernet port. Communication is set up using sockets. At the start of the application we get a customised error , which happens if the first message exchange has not happened.

We have a retry mechanism once socket.connect returns with an exception. As we dont have logs , we cannot confirm if the retry is indeed happening.

But once we reinstall the application and new hibernate point is created , the issue does not occur.

Any leads would be appreciated.

Thanks in advance

What I have tried:

Noticed one thing , tcp view status is syn_sent.But wireshark capture does not show syn packet sent out of client. Arp table on the client has no entry for the server at the time of issue occurence. Suspecting connect is not returning.

p.s: ip and port numbers of the server are hardcoded in config file at the client side