Error: An error occurred while communicating with the remote host. The error code is 0x800704CD

All offshore users are unable to download reports from MSCRM on-premise. With same credentials it was working fine. For offshore users its not reflecting. I did tracing, The error is showing as:

[2019-01-07 11:11:15.869] Process: w3wp |Organization:152ed555-4136-4127-98c4-3e6c5de8c69b |Thread: 61 |Category: Application |User: 00000000-0000-0000-0000-000000000000 |Level: Error | ErrorInformation.LogError

>MSCRM Error Report:

Error: An error occurred while communicating with the remote host. The error code is 0x800704CD.

Error Message: An error occurred while communicating with the remote host. The error code is 0x800704CD.

Error Details: An error occurred while communicating with the remote host. The error code is 0x800704CD.

Source File: Not available

Line Number: Not available

Request

Stack Trace Info: [HttpException: An error occurred while communicating with the remote host. The error code is 0x800704CD.]

at System.Web.Hosting.ISAPIWorkerRequestInProcForIIS6.FlushCore(Byte[] status, Byte[] header, Int32 keepConnected, Int32 totalBodySize, Int32 numBodyFragments, IntPtr[] bodyFragments, Int32[] bodyFragmentLengths, Int32 doneWithSession, Int32 finalStatus, Boolean& async)