When you are trying to configure the Microsoft Dynamics CRM client for Microsoft Office Outlook, you receive the following error message:

There is a problem communicating with the Microsoft Dynamics CRM server. The server might be unavailable. Try again later. If the problem persists, contact your system administrator.

Error in the Crm50ClientConfig.log file:

14:25:09| Error| Exception : Data at the root level is invalid. Line 1, position 1. at System.Xml.XmlTextReaderImpl.Throw(Exception e)
at System.Xml.XmlTextReaderImpl.Throw(String res, String arg)
at System.Xml.XmlTextReaderImpl.ParseRootLevelWhitespace()
at System.Xml.XmlTextReaderImpl.ParseDocumentContent()
at System.Xml.XmlTextReaderImpl.Read()
at System.Xml.XmlLoader.Load(XmlDocument doc, XmlReader reader, Boolean preserveWhitespace)
at System.Xml.XmlDocument.Load(XmlReader reader)
at Microsoft.Crm.SharedUtil.CreateXmlDocument(XmlReader reader)
at Microsoft.Crm.SharedUtil.CreateXmlDocument(String xml)
at Microsoft.Crm.Metadata.DynamicMetadataCacheFactory.LoadCacheFromWebService(DynamicMetadataCacheLoader loader, LoadMasks masks, IOrganizationContext context, Boolean writeCacheToLocalFile, CounterList counter)
at Microsoft.Crm.Metadata.DynamicMetadataCacheFactory.LoadCacheForRichClient(LoadMethod loadMethod, DynamicMetadataCacheLoader loader, LoadMasks masks, IOrganizationContext context, CounterList counter)
at Microsoft.Crm.Metadata.DynamicMetadataCacheFactory.LoadMetadataCache(LoadMethod method, CacheType type, IOrganizationContext context)
at Microsoft.Crm.Metadata.MetadataCache.LoadCache(IOrganizationContext context, Boolean fileOnlyIfExists)
at Microsoft.Crm.Metadata.MetadataCache.GetInstance(IOrganizationContext context)
at Microsoft.Crm.Application.Outlook.Config.OutlookConfigurator.InitializeMapiStoreForFirstTime()
at Microsoft.Crm.Application.Outlook.Config.OutlookConfigurator.Configure(IProgressEventHandler progressEventHandler)
at Microsoft.Crm.Application.Outlook.Config.ConfigEngine.Configure(Object stateInfo)


This error can occur if you try to configure a release candidate (RC) version of the Microsoft Dynamics CRM client for Outlook against a Microsoft Dynamics CRM server has Update Rollup 1 installed.


To resolve this issue, you must have the RTM version of the Microsoft Dynamics CRM client for Outlook installed. The version number of the release candidate (RC) is 05.00.9688.53. The RTM version number is 05.00.9688.583 (or a later version).

The RTM version of Microsoft Dynamics CRM 2011 for Microsoft Office Outlook is available from the following Microsoft website:

Microsoft Dynamics CRM 2011 for Microsoft Office Outlook

For more information about the RTM update, click the following article number to view the article in the Microsoft Knowledge Base:

2461082 An update for Microsoft Dynamics CRM 2011 Release Candidate is available

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