First one is typical activesync error posted frequently. Second one happens every so often, unhandled exception in the get-healthreport cmdlet:
Log Name: Microsoft-Exchange-ActiveMonitoring/ProbeResult
Source: Microsoft-Exchange-ActiveMonitoring
Date: 1/22/2015 10:44:42 PM
Event ID: 2
Task Category: Probe result
Level: Error
Keywords:
User: SYSTEM
Computer: <removed name>
Description:
Probe result (Name=ActiveSyncCTPProbe/MSExchangeSyncAppPool)
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="Microsoft-Exchange-ActiveMonitoring" Guid="{ECD64F52-A3BC-47B8-B681-A11B7A1C8770}" />
<EventID>2</EventID>
<Version>0</Version>
<Level>2</Level>
<Task>2</Task>
<Opcode>0</Opcode>
<Keywords>0x800000000000000</Keywords>
<TimeCreated SystemTime="2015-01-23T03:44:42.151623700Z" />
<EventRecordID>246015</EventRecordID>
<Correlation />
<Execution ProcessID="2984" ThreadID="3064" />
<Channel>Microsoft-Exchange-ActiveMonitoring/ProbeResult</Channel>
<Computer><removed></Computer>
<Security UserID="S-1-5-18" />
</System>
<UserData>
<EventXML xmlns:auto-ns2="http://schemas.microsoft.com/win/2004/08/events" xmlns="myNs">
<ResultId>262998</ResultId>
<ServiceName>ActiveSync</ServiceName>
<IsNotified>0</IsNotified>
<ResultName>ActiveSyncCTPProbe/MSExchangeSyncAppPool</ResultName>
<WorkItemId>117</WorkItemId>
<DeploymentId>0</DeploymentId>
<MachineName>EXCHANGE</MachineName>
<Error>Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index</Error>
<Exception>System.ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index
at System.Collections.Generic.List`1.get_Item(Int32 index)
at System.Linq.Enumerable.ElementAt[TSource](IEnumerable`1 source, Int32 index)
at Microsoft.Exchange.Monitoring.ActiveMonitoring.ActiveSync.Probes.ActiveSyncCustomerTouchPointProbe.GetMonitoringAccount()
at Microsoft.Exchange.Monitoring.ActiveMonitoring.ActiveSync.Probes.ActiveSyncCustomerTouchPointProbe.DoWork(CancellationToken cancellationToken)
at Microsoft.Office.Datacenter.WorkerTaskFramework.WorkItem.Execute(CancellationToken joinedToken)
at Microsoft.Office.Datacenter.WorkerTaskFramework.WorkItem.<>c__DisplayClass2.<StartExecuting>b__0()
at System.Threading.Tasks.Task.Execute()</Exception>
<RetryCount>0</RetryCount>
<StateAttribute1>[null]</StateAttribute1>
<StateAttribute2>[null]</StateAttribute2>
<StateAttribute3>[null]</StateAttribute3>
<StateAttribute4>[null]</StateAttribute4>
<StateAttribute5>[null]</StateAttribute5>
<StateAttribute6>0</StateAttribute6>
<StateAttribute7>0</StateAttribute7>
<StateAttribute8>0</StateAttribute8>
<StateAttribute9>0</StateAttribute9>
<StateAttribute10>0</StateAttribute10>
<StateAttribute11>[null]</StateAttribute11>
<StateAttribute12>[null]</StateAttribute12>
<StateAttribute13>[null]</StateAttribute13>
<StateAttribute14>[null]</StateAttribute14>
<StateAttribute15>[null]</StateAttribute15>
<StateAttribute16>0</StateAttribute16>
<StateAttribute17>0</StateAttribute17>
<StateAttribute18>0</StateAttribute18>
<StateAttribute19>0</StateAttribute19>
<StateAttribute20>0</StateAttribute20>
<StateAttribute21>PDWS;</StateAttribute21>
<StateAttribute22>[null]</StateAttribute22>
<StateAttribute23>[null]</StateAttribute23>
<StateAttribute24>[null]</StateAttribute24>
<StateAttribute25>[null]</StateAttribute25>
<ResultType>4</ResultType>
<ExecutionId>54042604</ExecutionId>
<ExecutionStartTime>2015-01-23T03:44:42.1516237Z</ExecutionStartTime>
<ExecutionEndTime>2015-01-23T03:44:42.1516237Z</ExecutionEndTime>
<PoisonedCount>0</PoisonedCount>
<ExtensionXml>[null]</ExtensionXml>
<SampleValue>0</SampleValue>
<ExecutionContext>[null]</ExecutionContext>
<FailureContext>[null]</FailureContext>
<FailureCategory>-1</FailureCategory>
<ScopeName>[null]</ScopeName>
<ScopeType>[null]</ScopeType>
<HealthSetName>[null]</HealthSetName>
<Data>[null]</Data>
<Version>65536</Version>
</EventXML>
</UserData>
</Event>
-------------------------------------------------------------------------------------------------------------
Log Name: MSExchange Management
Source: MSExchange CmdletLogs
Date: 1/23/2015 5:15:55 AM
Event ID: 8
Task Category: General
Level: Error
Keywords: Classic
User: N/A
Computer: <removed>
Description:
(PID 2984, Thread 189) Task Get-HealthReport throwing unhandled exception: System.ArgumentException: sessionState
at Microsoft.Exchange.Configuration.Tasks.ExchangePropertyContainer.GetProvisioningBroker(ISessionState sessionState)
at Microsoft.Exchange.Provisioning.ProvisioningLayer.GetProvisioningHandlersImpl(Task task)
at Microsoft.Exchange.Provisioning.ProvisioningLayer.GetProvisioningHandlers(Task task)
at Microsoft.Exchange.Configuration.Tasks.Task.<BeginProcessing>b__4()
at Microsoft.Exchange.Configuration.Tasks.Task.InvokeNonRetryableFunc(Action func, Boolean terminatePipelineIfFailed).
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="MSExchange CmdletLogs" />
<EventID Qualifiers="49152">8</EventID>
<Level>2</Level>
<Task>1</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2015-01-23T10:15:55.000000000Z" />
<EventRecordID>217</EventRecordID>
<Channel>MSExchange Management</Channel>
<Computer><removed></Computer>
<Security />
</System>
<EventData>
<Data>2984</Data>
<Data>189</Data>
<Data>Get-HealthReport</Data>
<Data>Get-HealthReport</Data>
<Data>System.ArgumentException: sessionState
at Microsoft.Exchange.Configuration.Tasks.ExchangePropertyContainer.GetProvisioningBroker(ISessionState sessionState)
at Microsoft.Exchange.Provisioning.ProvisioningLayer.GetProvisioningHandlersImpl(Task task)
at Microsoft.Exchange.Provisioning.ProvisioningLayer.GetProvisioningHandlers(Task task)
at Microsoft.Exchange.Configuration.Tasks.Task.<BeginProcessing>b__4()
at Microsoft.Exchange.Configuration.Tasks.Task.InvokeNonRetryableFunc(Action func, Boolean terminatePipelineIfFailed)</Data>
</EventData>
</Event>