In Azure Stack 1803, operations against tenant resources, such as starting or shutting down tenant virtual machines, accessing blobs, or migrating blob containers, occasionally fail. Operations that use some of the infrastructure shares, such as certificate rotation, may also fail.
Additionally, you see multiple unexpected tenant and infrastructure shares appear in the Administration portal.
An issue that affects background cluster work may create unexpected extra shares on tenant and infrastructure volumes.
To fix this problem, install the hotfix for the following Azure Stack version:
Update for 1803:
AzS Hotfix 1.0.180421.9
(minimum required version: 1.0.180329.1)
Note This Hotfix is cumulative and contains the update that is provided in the following Knowledge Base article:
4103348 Network Controller API service crashes when you try to install an Azure Stack update
Azure Stack update resources