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Vddk Api Proxy Failed Exception

Hi ALL,

We have some problems to backup our Virtual Machines on VMWARE since 2 days. 

The srvice quest vmware proxy gave us some errors like that :

Vddk Api Proxy Failed Exception

  • I have been plagued with this error for weeks now. First at our DR site and now at the production site. It started after the latest rounds of Sept MS updates and patches. I haven't figured out which one it is but after a week of trouble shooting we ended up disabling the Windows Write Cache with a reg key change and keep the MS in place. We did other things like increases several timeouts as well as increasing the amount of ram on the vCenter server and Core server but it was not until we disabled the Write Cache that it started working again. I am on Version 6.1.3.100 of the core now.