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WSE 2012 - DeviceProviderSvc failing

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Hi,

I moved my client backups folder to another drive.  Next morning the devices tab has no devices listed.  All drives and storage spaces are available. In the event log, there are 3 log entries (details below).

I moved the folders back to the original drive.  In both cases, all the backups are still working (log entries confirm successful completion).

Is there a way to rebuild the devices page?

Additional question:  How to I restore a server when I cannot see the server backup?  I tried using the windows backup app but it only appears to show 3 days of backups and (as you'd guess) the system had this failure 4 days ago.

(System is an Acer EasyStore 340 with WSE 2012 RTM installed - working perfectly for months..)

.Net Runtime

Application: SharedServiceHost.exe
Framework Version: v4.0.30319
Description: The application requested process termination through System.Environment.FailFast(string message).
Message: Unhandled exception in OnStart: System.ArgumentNullException: The empty string '' is not a valid local name.
Parameter name: name
   at System.Xml.XmlConvert.VerifyNCName(String name, ExceptionType exceptionType)
   at System.Xml.XmlUTF8TextReader.VerifyNCName(String s)
   at System.Xml.XmlUTF8TextReader.ReadQualifiedName(PrefixHandle prefix, StringHandle localName)
   at System.Xml.XmlUTF8TextReader.ReadAttributes()
   at System.Xml.XmlUTF8TextReader.ReadStartElement()
   at System.Xml.XmlUTF8TextReader.Read()
   at System.Xml.XmlBaseReader.MoveToContent()
   at System.Xml.XmlBaseReader.IsStartElement()
   at System.Xml.XmlBaseReader.IsStartElement(XmlDictionaryString localName, XmlDictionaryString namespaceUri)
   at ReadArrayOfDevicePropertyFromXml(XmlReaderDelegator , XmlObjectSerializerReadContext , XmlDictionaryString , XmlDictionaryString , CollectionDataContract )
   at System.Runtime.Serialization.CollectionDataContract.ReadXmlValue(XmlReaderDelegator xmlReader, XmlObjectSerializerReadContext context)
   at System.Runtime.Serialization.XmlObjectSerializerReadContext.InternalDeserialize(XmlReaderDelegator reader, String name, String ns, Type declaredType, DataContract& dataContract)
   at System.Runtime.Serialization.XmlObjectSerializerReadContext.InternalDeserialize(XmlReaderDelegator xmlReader, Int32 id, RuntimeTypeHandle declaredTypeHandle, String name, String ns)
   at ReadKeyValueOfstringArrayOfDevicePropertyoy2JKP7OFromXml(XmlReaderDelegator , XmlObjectSerializerReadContext , XmlDictionaryString[] , XmlDictionaryString[] )
   at System.Runtime.Serialization.ClassDataContract.ReadXmlValue(XmlReaderDelegator xmlReader, XmlObjectSerializerReadContext context)
   at ReadArrayOfKeyValueOfstringArrayOfDevicePropertyoy2JKP7OFromXml(XmlReaderDelegator , XmlObjectSerializerReadContext , XmlDictionaryString , XmlDictionaryString , CollectionDataContract )
   at System.Runtime.Serialization.CollectionDataContract.ReadXmlValue(XmlReaderDelegator xmlReader, XmlObjectSerializerReadContext context)
   at System.Runtime.Serialization.XmlObjectSerializerReadContext.InternalDeserialize(XmlReaderDelegator reader, String name, String ns, Type declaredType, DataContract& dataContract)
   at System.Runtime.Serialization.XmlObjectSerializerReadContext.InternalDeserialize(XmlReaderDelegator xmlReader, Type declaredType, DataContract dataContract, String name, String ns)
   at System.Runtime.Serialization.DataContractSerializer.InternalReadObject(XmlReaderDelegator xmlReader, Boolean verifyObjectName, DataContractResolver dataContractResolver)
   at System.Runtime.Serialization.XmlObjectSerializer.ReadObjectHandleExceptions(XmlReaderDelegator reader, Boolean verifyObjectName, DataContractResolver dataContractResolver)
   at System.Runtime.Serialization.XmlObjectSerializer.ReadObject(XmlDictionaryReader reader)
   at Microsoft.WindowsServerSolutions.Common.Devices.DataContractObjectStore`1.Load(String path, IEnumerable`1 knownTypes)
   at Microsoft.WindowsServerSolutions.Common.Devices.DataContractObjectStore`1.Load()
   at Microsoft.WindowsServerSolutions.Common.Devices.DevicesXmlDataStore.Read()
   at Microsoft.WindowsServerSolutions.Common.Devices.DevicesProviderDataManager.ReadFromDataStore()
   at Microsoft.WindowsServerSolutions.Common.Devices.DevicesProviderDataManager.DoLoadDeviceData()
   at Microsoft.WindowsServerSolutions.Common.Devices.DevicesProviderSvcHost.CreateProviderHosts()
   at Microsoft.WindowsServerSolutions.Common.ProviderFramework.ProviderServiceBase._OpenHosts()
   at Microsoft.WindowsServerSolutions.Common.ProviderFramework.ProviderServiceBase.OnStart(String[] args)
Stack:
   at System.Environment.FailFast(System.String, System.Exception)
   at Microsoft.WindowsServerSolutions.Common.ProviderFramework.ProviderServiceBase.OnStart(System.String[])
   at System.ServiceProcess.ServiceBase.ServiceQueuedMainCallback(System.Object)
   at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
   at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
   at System.Threading.QueueUserWorkItemCallback.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem()
   at System.Threading.ThreadPoolWorkQueue.Dispatch()

Application Error

aulting application name: SharedServiceHost.exe, version: 6.2.9805.0, time stamp: 0x504a9e6d
Faulting module name: unknown, version: 0.0.0.0, time stamp: 0x00000000
Exception code: 0x80131623
Fault offset: 0x000007fdaab7c571
Faulting process id: 0x12e8
Faulting application start time: 0x01ce0d36d5dea0b3
Faulting application path: C:\Program Files\Windows Server\Bin\SharedServiceHost.exe
Faulting module path: unknown
Report Id: 148ca9c6-792a-11e2-9403-000ae48bf3c7
Faulting package full name:
Faulting package-relative application ID:

Microsoft Windows Service Control Manager

The Windows Server Devices Provider service terminated unexpectedly.  It has done this 7 time(s).


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