Just trying to add an new Organization in a Hybrid scenario.
The user on the local side for the onpremise server has all the nesecary permissions.
Unfortunately in one of the last steps while verifying connection and organization parameters the following error appears:
Failed to execute cmd-let 'Get-OrganizationRelationship'.... Multiple objects received: 3.
I suggest you contact support however I've seen this before where it was related to a DNS issue. It might be the same but further insight can help here.
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First: Welcome to the forums
I can't remember exactly what the DNS issue was to be honest. It might be best that you also contact support. Peter and Nathan, please log the support call ID here and the follow-up after investigation by our engineers
Well I think that Veem O365 is not multi tenant aware on the onpremise side.
The log says: Error: Multiple objects received: 3.
In our case this is because we have three accepted mail domains on this exchange.
So since I actually just want to backup the mailboxes that are already in O365 with Veeam O365 I just added the new organization as O365 organization only.
And this works right away and I'm able to backup the mailboxes online.
The Mailboxes onpremise I'm still backing up with Veeam B&R.
I would concur with MCH - I have multiple accepted domains at present - though it is only a single tenant to be clear. It would be nice to use the hybrid feature as intended so there is only a single repository as users are migated (have another product backup On Premise at the moment and had homed to move all to Veeam now rather than waiting to migrate as I will likely be running hybrid for an extended period of time.
Interesting use case scenario. Let me see if I understand it correctly. Your on-premises exchange has multiple domains that it accepts? And a user has an email address with those multiple domains (same object)?