WCF Performace issue

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VB

ASP.NET

WCF

It's very urgent Please.

Can you Please give me any suggestion.?

We are using WCF service using Asp.net with vb.net.
The service is hosted in one server and application is hosted in to an other server.
The problem is: When multiple users access the application from their terminals, then the application hangs for a while (10 to 15 mintes).


My wcf service config file like this.

<system.serviceModel>
        <services>
            <service behaviorConfiguration="EstromWcfService.PrincorpBehavior" name="EstromWcfService.Princorp">
                <endpoint address="" binding="wsHttpBinding" contract="EstromWcfService.IPrincorp">
                    <identity>
                        <dns value="localhost"/>
                    </identity>
                </endpoint>
                <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange"/>
            </service>
            <service behaviorConfiguration="EstromWcfService.PrinCorpServiceBehavior" name="EstromWcfService.PrinCorpService">
                <endpoint address="" binding="wsHttpBinding" contract="EstromWcfService.IPrinCorpService">
                    <identity>
                        <dns value="localhost"/>
                    </identity>
                </endpoint>
                <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange"/>
            </service>
            <service behaviorConfiguration="EstromWcfService.EstormPrincorpBehavior" name="EstromWcfService.EstormPrincorp">
                <endpoint address="" binding="wsHttpBinding" contract="EstromWcfService.IEstormPrincorp">
                    <identity>
                        <dns value="localhost"/>
                    </identity>
                </endpoint>
                <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange"/>
            </service>
        </services>
        <behaviors>
            <serviceBehaviors>
                <behavior name="EstromWcfService.PrincorpBehavior">
                    <serviceSecurityAudit auditLogLocation="Application" suppressAuditFailure="true" serviceAuthorizationAuditLevel="Failure" messageAuthenticationAuditLevel="Failure"/>
                    <serviceThrottling maxConcurrentCalls="100" maxConcurrentSessions="100" maxConcurrentInstances="100"/>
                    <serviceTimeouts transactionTimeout="10.00:00:00"/>

                    <serviceMetadata httpGetEnabled="true"/>
                    <serviceDebug httpHelpPageEnabled="true" includeExceptionDetailInFaults="false" />
                </behavior>
                <behavior name="EstromWcfService.PrinCorpServiceBehavior">
                    <serviceSecurityAudit auditLogLocation="Application" suppressAuditFailure="true" serviceAuthorizationAuditLevel="Failure" messageAuthenticationAuditLevel="Failure"/>
                    <serviceThrottling maxConcurrentCalls="100" maxConcurrentSessions="100" maxConcurrentInstances="100"/>
                    <serviceTimeouts transactionTimeout="10.00:00:00"/>

                    <serviceMetadata httpGetEnabled="true"/>
                    <serviceDebug httpHelpPageEnabled="true" includeExceptionDetailInFaults="false"/>
                </behavior>
                <behavior name="EstromWcfService.EstormPrincorpBehavior">
                    <serviceSecurityAudit auditLogLocation="Application" suppressAuditFailure="true" serviceAuthorizationAuditLevel="Failure" messageAuthenticationAuditLevel="Failure"/>
                    <serviceThrottling maxConcurrentCalls="100" maxConcurrentSessions="100" maxConcurrentInstances="100"/>
                    <serviceTimeouts transactionTimeout="10.00:00:00"/>

                    <serviceMetadata httpGetEnabled="true"/>
                    <serviceDebug httpHelpPageEnabled="true" includeExceptionDetailInFaults="false"/>
                </behavior>
            </serviceBehaviors>
        </behaviors>
    </system.serviceModel>