From:
EMC Avamar 7 Release Note P/N 300-015-227 REV 02 Oct 11, 2013
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Avamar release 7.0 not compatible with ESXi 5.5
Because of a problem with VMware libraries, Avamar release 7.0 is not compatible with
ESXi 5.5. For information about this issue, please see the known issue “HotAdd
forward compatibility fails with error 13” in the VMware ESX 5.5 release notes on
http://www.vmware.com.
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I hope the issue will be solves ASAP.
BR,
Luca