“Must specify valid information for parsing in the string. at System.Enum.TryParseEnum” – Error while configuring Outlook with MSCRM

Recently while configuring outlook for our client, we got the above mentioned error. Also strangely it was working prior to one of our deployments that we did in the organization. So we became pretty sure that it has something to do specific with our latest customizations that we deployed to the environment.

What we did is we compared all the changes that we made in the recent deployment, specifically the Enum fields, since the error says that it cannot parse the Enum value.

What we found is that, the “searchable” property of the field “importsequencenumber” of one of the custom entities has been changed to “No”. We set it to “Yes” and published the customizations.

After that we re-opened outlook and tried to configure the Outlook client and all worked well much to our joy.

Hope this helps and saves you some time when you face similar issue.



About Debajit
I am a Dynamics CRM Most Valuable Professional (MVP) with 10 years of experience in Microsoft .NET Technologies and 7 years of dedicated experience in Microsoft Dynamics CRM. I have worked with companies like Microsoft, SanDisk, PwC, TMF Group and have extensive experience of implementing complex CRM solutions from both offshore and client side. Currently the face of with significant experience in delivering corporate training on Dynamics CRM and have already delivered multiple projects to client through Author of multiple tools on codeplex including the 'Role Based Views' and 'CRM-Sharepoint Metadata manager & Attachment Extractor' which are available for commercial use under For consulting/ training, drop me a note at or visit our website

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