No Windows Azure o ICMP ou PING não é liberado por padrão.

Mas podemos usar o Sysinternals para resolver isso.

1º Baixe a ferramente SysInternals.

http://technet.microsoft.com/en-us/sysinternals/bb842062.aspx

Após descompacte, abra o prompt como administrator, abra o diretório PSTools e execute o comando.

Em sua maquina por exemplo.

Psping 191.237.251.23:80 (IP ou nome dois pontos e a porta)

C:\BKP-CHARLES\Downloads\PSTools>psping.exe 191.237.251.23:80

PsPing v2.01 – PsPing – ping, latency, bandwidth measurement utility
Copyright (C) 2012-2014 Mark Russinovich
Sysinternals – http://www.sysinternals.com

TCP connect to 191.237.251.23:80:
5 iterations (warmup 1) connecting test:
Connecting to 191.237.251.23:80 (warmup): 5.69ms
Connecting to 191.237.251.23:80: 5.63ms
Connecting to 191.237.251.23:80: 6.67ms
Connecting to 191.237.251.23:80: 5.54ms
Connecting to 191.237.251.23:80: 6.13ms

TCP connect statistics for 191.237.251.23:80:
Sent = 4, Received = 4, Lost = 0 (0% loss),
Minimum = 5.54ms, Maximum = 6.67ms, Average = 5.99ms

C:\BKP-CHARLES\Downloads\PSTools>

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Agora de dentro da VM no Windows Azure

C:\Users\admin.azure>cd..

C:\Users>cd..

C:\>cd PSTools

C:\PSTools>psping.exe yahoo.com:80

PsPing v2.01 – PsPing – ping, latency, bandwidth measurement utility
Copyright (C) 2012-2014 Mark Russinovich
Sysinternals – http://www.sysinternals.com

TCP connect to 206.190.36.45:80:
5 iterations (warmup 1) connecting test:
Connecting to 206.190.36.45:80 (warmup): 201.09ms
Connecting to 206.190.36.45:80: 198.17ms
Connecting to 206.190.36.45:80: 196.82ms
Connecting to 206.190.36.45:80: 196.81ms
Connecting to 206.190.36.45:80: 197.10ms

TCP connect statistics for 206.190.36.45:80:
Sent = 4, Received = 4, Lost = 0 (0% loss),
Minimum = 196.81ms, Maximum = 198.17ms, Average = 197.22ms

C:\PSTools>

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Seja Feliz!!!!