I can snmpwalk but can't snmpget?

[ScotR <scotrn@pilot.infi.net>]

Hi;

  I am still new to SNMP but shouldn't I be able to do a get in any OID 
snmpwalk returns?

Thanks
Scot


 >/usr/OV/bin/snmpwalk -c RzPQ5x_w11 172.16.3.209 
.1.3.6.1.4.1.311.1.4.1.1.2.1.11.6.78.68.83.49.48
microsoft.software.apps.mssqlServer.mssqlServerObjects.mssqlSrvInfoTable.mss 
qlSrvI
nfoEntry.mssqlSrvInfoCacheHitRatio.6.78.68.83.49.48.57 : Gauge: 0


 > /usr/OV/bin/snmpget -c RzPQ5x_w11 172.16.3.209 
.1.3.6.1.4.1.311.1.4.1.1.2.1.11.6.78.68.83.49.48.57
snmpget: This variable does not exist: 
.iso.org.dod.internet.private.enterprises.microsoft.software.apps.mssqlServe 
r.mssqlServerObjects.mssqlSrvInfoTable.mssqlSrvIn