Category: Hybrid

Exchange updates

Updates have been released for Exchange 2013 and 2016. https://blogs.technet.microsoft.com/exchange/2017/09/19/released-september-2017-quarterly-exchange-updates/ If You are using a Hybrid, You have to update these to be supported.

Continue Reading Exchange updates

MRSProxy Endpoint error while doing remote move migration

With Exchange 2016 Hybrid setup, you might encounter an error while doing remote move migration. After selecting mailbox to move, the wizard gives you an error, that the “Endpoint MRSProxy” connection cannot be completed. After running command Test-MigrationServerAvailability -ExchangeRemoteMove -RemoteServer “ExternalUrl” You…

Continue Reading MRSProxy Endpoint error while doing remote move migration

O365 hybrid mailbox move, largeitem skipped warnings

When migrating mailboxes to O365 exchange online, maximum item size is limited to 150 MB. To move these items, you can export these to pst -file and you can import these back after mailbox is migrated. With this script to find users / mailboxes…

Continue Reading O365 hybrid mailbox move, largeitem skipped warnings

Add Calendar permissions to mailboxes in Hybrid environments.

Hi again, Below script will add Reviewer permissons for DefaultCalendarShare group. This is needed for Hybrid environments and Cross-Premises calendar sharing. $allmailbox = Get-Mailbox -Resultsize Unlimited | where { $_.IsShared -eq $False -and $_.ArbitrationMailbox -eq $Null } $Logfile = “C:TempLogsadd-calendarPerm.log”…

Continue Reading Add Calendar permissions to mailboxes in Hybrid environments.

Skype For Business Hybrid and Get-Webticket error 0x80048257.

Hi all, Yesterday I saw an error I haven’t seen before. I was setting up a Shared Namespace Hybrid with S4B Server 2015 and this came by: I spent several hours solving this, but nothing was found. Until I found…

Continue Reading Skype For Business Hybrid and Get-Webticket error 0x80048257.

Moving a Hybrid user back to Onprem Exchange.

The is a lot of blogs saying weird things on this particular Powershell command. Here the right one. $onrepm = get-credential ‘alias for the user’ | New-MoveRequest -OutBound -RemoteTargetDatabase ‘local database’ -RemoteHostName ‘ewsurl’ -RemoteCredential $onprem -TargetDeliveryDomain ‘localsmtpdomain’

Continue Reading Moving a Hybrid user back to Onprem Exchange.

Exchange 2010 sp3 RU5 and Online tenant Hybrid

We had a customer with multiple smtp domains at onpremise Exchange. 1. First you need to add them to authorized domains in Office 365 control panel. 2. Add the given txt -records to public dns. 3. Go back to Office…

Continue Reading Exchange 2010 sp3 RU5 and Online tenant Hybrid