Installation of exchange intall received no errors, when going into exchange management console I get this error, it does not show up in the error log Event Xml: <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event"> <System> <Provider Name="MSExchange RBAC" /> <EventID Qualifiers="49152">23</EventID> <Level>2</Level> <Task>2</Task> <Keywords>0x80000000000000</Keywords> <TimeCreated SystemTime="2011-04-14T06:23:41.000000000Z" /> <EventRecordID>3555</EventRecordID> <Channel>Application</Channel> <Computer>exchange.AmcalHousing.local</Computer> <Security /> </System> <EventData> <Data>w3wp.exe</Data> <Data>1988</Data> <Data>System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---&gt; System.TypeInitializationException: The type initializer for 'Microsoft.Exchange.Management.PowerShell.CmdletConfigurationEntries' threw an exception. ---&gt; System.IO.FileLoadException: Could not load file or assembly 'Microsoft.Exchange.Management, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. Strong name validation failed. (Exception from HRESULT: 0x8013141A) File name: 'Microsoft.Exchange.Management, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' ---&gt; System.Security.SecurityException: Strong name validation failed. (Exception from HRESULT: 0x8013141A) The Zone of the assembly that failed was: MyComputer at Microsoft.Exchange.Management.PowerShell.CmdletConfigurationEntries..cctor() --- End of inner exception stack trace --- at Microsoft.Exchange.Management.PowerShell.CmdletConfigurationEntries.PopulateISSCmdletConfigurationEntries() --- End of inner exception stack trace --- at System.RuntimeMethodHandle._InvokeMethodFast(Object target, Object[] arguments, SignatureStruct&amp; sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwner) at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, Boolean skipVisibilityChecks) at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) at System.Reflection.MethodBase.Invoke(Object obj, Object[] parameters) at Microsoft.Exchange.Configuration.Authorization.InitialSessionStateBuilder..cctor()</Data> </EventData> </Event> I think I may be experiencing righs issues? Have not benn able to deploy. HELP!

Hi See this. http://support.microsoft.com/kb/979695 Sukh

Hi jcukier, Any updates?Please remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.