Recently one of the servers in our Storefront Server groups came a cropper when we tried to propagate changes to it.
Could see the following in the event logs at time of failure :
An error has occurred during the all server configuration update process.
“Citrix.DeliveryServices.ConfigurationReplication.Exceptions.ServerUpdateConfigurationException, Citrix.DeliveryServices.ConfigurationReplication, Version=220.127.116.11, Culture=neutral, PublicKeyToken=e8bb6749cfa2a5a3
Access is denied.
From a scour through the trusty internet found the following solution:
i) Add the following accounts to the local administrators group
and NT SERVICE\CitrixClusterService
ii) Restart Storefront server
And voila all is good with the world