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Cannot open exchanger control device (IPC Invalid Handle Number)

This issue happens after upgrade from 6.00 to 6.20 Cannot open exchanger control device (IPC Invalid Handle Number) http://h30507.www3.hp.com/t5/Technical-Support-Services-Blog/Data-Protector-IPv6-and-the-Unintended-Consequence/ba-p/109643 -> Add line “ipnodes: files” to nsswitch.conf Our first observation was that the delay was very nearly 40 seconds each time.  A peek at debug.log on the client turned up this tell-tale …

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