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I am finally planning on upgrading from 6.0.13 to 7.x.x. Is there any issues with running the 6.0.13 ZCO connector until I can upgrade my users to the 7.0 connector?
It's fine to run an older ZCO with a later server (i.e. 6.0.13 ZCO with a 7.x server). What you don't want to do is run a 7.x ZCO against a 6.x server, in case there are new server calls implemented in 7 ZCO that don't exist in 6.