VMWare vSphere: Failed to Upload Files to Datastore

I confronted a wierd downside when making an attempt to copy (add) any file (ISO, vmdk, OVA/OVF, and many others.) to the VMFS Datastore in VMware vSphere (6.7). When I click on on the “Upload Files” button in vSphere Client interface, the error “The operation failed” seems.

vsphere upload file to vmfs datastore - the operation failed error

To get an in depth details about the error, click on Details.

There is the next message within the error window:

The operation failed for an undetermined cause.

Typically this downside happens due to certificates that the browser doesn’t belief. If you’re utilizing self-signed or customized certificates, open the URL under in a brand new browser tab and settle for the certificates, then retry the operation.

https:// my-vcenter

If this doesn’t resolve the issue, different doable options are proven on this KB article: http://kb.vmware.com/kb/2147256

vmware vcenter: The operation failed for an undetermined reason. Typically this problem occurs due to certificates that the browser does not trust. If you are using self-signed or custom certificates, open the URL below in a new browser tab and accept the certificate, then retry the operation.

As you may see from the error, the issue associated to the untrusted SSL certificates used on the vCenter server (the certificates is self-signed or issued by an untrusted certificates authority). To resolve this downside, you want observe the directions from in article “”.

In vSphere 6.5 and 6.7, it isn’t sufficient to add a vCenter certificates to trusted certificates in your browser. If a self-signed certificates shouldn’t be added to the Trusted Root Certification Authorities Store in your laptop, the vSphere Web Client received’t enable to add recordsdata to the VMFS datastore.

To add a vCenter certificates to the listing of trusted certificates, go to vSphere begin web page and click on “Download trusted root CA certificates” within the backside proper nook.

Download trusted root CA certificates in VMware Vsphere

In Downloads go to the ..certswin folder (there are separate folders for Windows, Linux and Mac certificates). Double-click the *.crt file and click on the Install Certificate button.

install self-signed cert for VMWare vcenter

Use the Certificate Import Wizard to place your vCenter certificates to the trusted root certificates retailer in your laptop (Local Machine -> Trusted Root Certification Authorities).

add SSL cert to Trusted Root Certification Authorities

Open vCenter internet interface and guarantee that the untrusted certificates warning doesn’t seem. Now you may add recordsdata to your VMFS datastore.

now you can upload files to vmware datastore

In Firefox, you want to add the vSphere certificates to trusted (exception) listing in your browser settings or swap Firefox to use certificates from the Windows certificates retailer: about: config -> safety.enterprise_roots.enabled = True (in any other case you will note an error “”).

FireFox, not like different browsers (Chrome, Opera, IE) by default makes use of its personal trusted certificates listing.

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