Can't find the organizational unit that you specified. Make sure that you have typed the OU's identity correctly.

Hello,

I recently installed a new Windows Server 2012 R2 environment with Exchange Server 2013.

The following error occurs when i double click a user in the Exchange Admin Center:

Can't find the organizational unit that you specified. Make sure that you have typed the OU's identity correctly.

I know there is already a question about this error, but it differents from my error.

Some things i notice:

When i click on "More options" i can see the Organizational unit without problems.

If i use the AD to create a new user, go to ECP and create new mailbox to existing user, this works without problems.

I can not update any info on the new or existing users though.

I then get the error:

error

Property expression "Test@" isn't valid. Valid values are: Strings that includes '@', where '@' cannot be the last character

I hope someone can help me on this one.

Thanks in advance.

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Update,

When i run Get-UserPrincipalNamesSuffix-OrganizationalUnit"miegrouphq.intra/users"i get back MIEGROUPHQ.intra, so it seems that works.

With kind regards, René de Meijer. MIEGroup.