Citrix Cloud- Machine catalog not accessible or loading timing out

When clicking on the Machine catalog it is not accessible or it shows loading and time out.

Unable to Create , Update Machine Catalog.

Power status on Cloud Studio shows Unknown.

Unable to create New Hosting connection

Following exception is thrown.

FaultException: Communication timed out while forwarding to RemoteHcl WCF server. Is the service running?

Server stack trace:

at System.ServiceModel.Channels.ServiceChannel.HandleReply(ProxyOperationRuntime operation, ProxyRpc& rpc)

at System.ServiceModel.Channels.ServiceChannel.Call(String action, Boolean oneway, ProxyOperationRuntime operation, Object[] ins, Object[] outs, TimeSpan timeout)

at System.ServiceModel.Channels.ServiceChannelProxy.InvokeService(IMethodCallMessage methodCall, ProxyOperationRuntime operation)

at System.ServiceModel.Channels.ServiceChannelProxy.Invoke(IMessage message)

Exception rethrown at [0]:

at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg)

at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type)

at IHypervisorCommunicationsLibraryInterface.EnumerateHypervisorFactories()

at RemoteHCLClient.WebSockets.WcfClientService.<>c__DisplayClass13_0`1.<Call>b__0()

at RemoteHCLClient.Locker.WithLock[T](String site, Func`1 action)

at RemoteHCLClient.WebSockets.WebSocketsRemoteHclStub.InvokeWithErrorHandling[T](Func`2 operation, String connectorId, Guid opId)”