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System.Net.WebException: The request failed with HTTP status 503: Server Error. at Microsoft.Reporting.WebForms.Internal.Soap.ReportingServices2005.Execution.RSExecutionConnection.GetSecureMethods() at Microsoft.Reporting.WebForms.Internal.Soap.ReportingServices2005.Execution.RSExecutionConnection.IsSecureMethod(String methodname) at Microsoft.Reporting.WebForms.Internal.Soap.ReportingServices2005.Execution.RSExecutionConnection.SetConnectionSSLForMethod(String methodname) at Microsoft.Reporting.WebForms.Internal.Soap.ReportingServices2005.Execution.RSExecutionConnection.ProxyMethodInvocation.Execute[TReturn](RSExecutionConnection connection, ProxyMethod`1 initialMethod, ProxyMethod`1 retryMethod) at Microsoft.Reporting.WebForms.ServerReport.EnsureExecutionSession() at Microsoft.Reporting.WebForms.ServerReport.SetParameters(IEnumerable`1 parameters) at Utilities.SSRSReportDownloaderAT(String rdlfile, Dictionary`2 dparams, String FileFormat, String FileName, String userid) at Online_Registration.Views.AdmitcardDwonload.btndownload_Click(Object sender, EventArgs e)

Dear team I am getting this error while downloading the Reports.
Checked in server local system it was working fine but after hosting the above error is coming.

What I have tried:

I tried <requestlimits maxallowedcontentlength="52428800"> in webconfig. Changed few settigns in IIS. Restarted the IIS still problem is not resolved.
Updated 21-Feb-22 0:25am

This might be server related as well, due to numerous factors i.e. maintenance etc. Might be browser or as you stated IIS related, quite difficult to pinpoint a service unavailable error. Have look HERE for possible solutions
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KriShna RaJendra N PraSad 21-Feb-22 6:32am    
Sir I tried with different browsers still problem was same.
It seems to be SSRS services are not running. While setting of IIS, have you changed your application port? If yes, then restart the SSRS service. It will fix your problem.
Further you can check the following link:
How to fix problem 503 service unavailable in SSRS ?[^]
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KriShna RaJendra N PraSad 21-Feb-22 6:33am    
No sir I am not changed any port. It was running successfully but suddenly stopped working. after multiple Hits.

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