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Vmware Host returns esxupdate error code:15 – Check update manager log

I tried to update a VMware host through update manager and I got the below error through stage and remediation.

VMware indicates that:

This issue occurs if the /locker/ folder contains too many files aside from the /locker/packages (or /store/packages) folder. Remediation cannot happen as the disk does not have enough space.

/locker partition is the local Datastore of the host and in my case did not contain a lot of data except from the directory of packages.

The solution for this error was to remediate less updates and not all of them once. For example I could remediate 28 patches, but I performed that in two waves 14 on each iteration.