Knowledgebase: Epicenter Server > Troubleshooting
Error: Unable to open the mailbox: Reason: Unspecified error. Support Info: ecNoReadRight
Posted by Jim Beveridge, Last modified by Joyce Elder on 14 April 2020 06:22 PM
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(Applies to: Epicenter Server) Symptom: You receive an error message in Epicenter Server similar to this: 12/16/15 09:57:33 [Global Address List] Unable to open the mailbox for Xxxx Yyyyy <yyy@example.com>. Reason: Unspecified error . Support Info: ecNoReadRight Most often seen with Outlook 2010 and Outlook 2013 on Office 365. Cause: Usually caused by Outlook using the HttpMapi protocol. Solution: Please check the following. These instructions only apply to Office 365 and other Hosted Exchange environments. This error typically does not happen with dedicated Exchange Servers.
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