Please look into this KB :
VMware Knowledge Base
As a workaround, you can either deploy the OVF/OVA directly to the host (https://<HostIPorHostName>/ui), or use the OVF Tool CLI, documented here... OVF Tool Documentation.
ex> ovftool -ds=storage1 -n=myVM C:\testVM.ovf vi://user1:email@example.com/?ip=188.8.131.52
Check above post
Please mark this as "correct" or " Helpfull" if this answers your query .
I was able to upload the vSPhere Replication OVF file using the OVF tool.
It was a bit tricky and seriously gave me headaches on how to proper deploy it.
VMware should look about this.
ANyway, thanks for the advise!
i had the same problem,and have solved it by using another browser. you can try