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Using the vcld -setup tool, set the vclsystem account. This is needed to properly use the block allocation features.
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/usr/local/vcl/bin/vcld --setup
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Select the options listed below to set the password. When prompted paste or type the password from xmlrpc_pass variable in the vcld.conf file and hit enter.
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Select Set Local VCL User Account Password
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Select the account for vclsystem user
Enter the desired password, it can be long. Copy this password as it needs to be updated in the vcld.conf
Edit three variables in the /etc/vcl/vcld.
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confxmlrpc_username - should be set to vclsystem@local
xmlrpc_username=vclsystem@local
xmlrpc_pass - will need to be the password you set for the vclsystem account
xmlrpc_pass=somepasswd
xmlrpc_url - URL for the API
xmlrpc_url=https://your.vcl.hostname/scheduling/index.php?mode=xmlrpccall