Cannot access my cloud EX2

My Cloud OS 5 Personal & Network Attached Storage My Cloud EX Series
1

I owned a WD My Cloud EX2 Ultra and tried to upgrade to OS5.

After OS5 completed, I can access my filed via network but not via My Cloud : https://mycloudex2ultra/

Please advise.

Best regards,
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2

Hello,

Please refer to the following KBA article: My Cloud OS 5: Cloud Access Failed