To resolve the "not URL encoded" error, modify your $SPLUNK_HOME/etc/apps/Splunk_TA_emc-vnx/default/tags.conf and change all ":" (colon) to "%3A" -- %3A is the URL encoded representation for the colon. Until Splunk fixes the aggressive error checking, this will shut up the annoying error.
In vim edit mode:
:%s/:/\%3A/g
To resolve the "No data collection for VNX is found in the inputs.conf. Do nothing and Quit the TA" error, you need to modify your $SPLUNK_HOME/etc/apps/Splunk_TA_emc-vnx/local/inputs.conf to specify the IP address and user credential needed to read your EMC VNX. It looks like this:
[vnx_data_loader://EMC_GUID]
network_addr = x.y.z.zz
username = plaintextusername
password = plaintextpassword
platform = VNX Block or File
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