S
smcconne
Guest
Hi Karol, From the URL, your organization service is hosted at the crm4 datacenter, which is located in the EMEA region. There is a known issue for connecting with different regions, where you could see "An error occurred while verifying security for the message'. There is a fix for this issue, which is currently being tested in-house. However, looking at the logs for your connection attempts, the error you're getting is: Authentication Failure: The specified member name is either invalid or empty. This wouldn't be related to the issue I mentioned previously. Some suggested reasons for the 'authentication failure' error that your connections are experiencing are: - the user in question does have sufficient privileges. You can test by using an admin account to log in, and see if the behavior changes) - the credentials are an older format and were not updated / converted correctly for Office 365. You can check with your IT about the Office 365 credentials being used, or if the user name has been changed and an old cached value needs to be flushed, etc. Here's a post relating to this occurrence: blogs.technet.com/.../adfs-logon-issue-quot-your-organization-could-not-sign-you-into-the-service-quot-0x80041034.aspx If you can, check on the user settings / credentials, and let us know if anything has changed since they were initially created.
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