Service Desk File attachment or upload error and Solution

172.19.64.32 bpapsdpwmv01.indiapost.gov.in
172.19.64.32 bpapsdpwmv01
172.19.64.32 servicedesk.indiapost.gov.in
172.19.64.33 servicedesk.indiapost.gov.in
172.19.64.33 bpapsdswmv01.indiapost.gov.in
172.19.64.33 bpapsdswmv01
172.19.64.34 bpapsdswmv02.indiapost.gov.in
172.19.64.34 servicedesk.indiapost.gov.in
172.19.64.34 bpapsdswmv02
172.19.64.158 bpapsdswmv03.indiapost.gov.in
172.19.64.158 servicedesk.indiapost.gov.in
172.19.64.158 bpapsdswmv03

Copy paste the above line in the Host file which is available in the following patch

C:\Windows\System32\Drivers\etc\hosts