Migration

Exchange 2016: Error when moving mailboxes (A version mismatch was detected)

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During the migration from Exchange 2013 to Exchange 2016, the following error (version mismatch) may occur when moving user mailboxes from Exchange 2013 to Exchange 2016: A version mismatch was detected (Actual:6, Expected:5) The following message can then be seen in the Exchange 2013 server log: 2017-04-23T20:37:21.432Z,6,Default,Error,",", "RegisterMigrationBatch failed, exception at Microsoft.Exchange.Migration.MigrationServiceHelper.SafeInvokeImplMethod(Action method, MigrationServiceRpcMethodCode methodCode) at Microsoft.Exchange.Migration.MigrationNotificationRpcSkeleton.RegisterMigrationBatch(IMigrationNotification ... Read more

Exchange 2016: ActiveSync account requires the domain to be specified

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When migrating to Exchange 2016, you may come across the following problem: For smartphones or other ActiveSync devices, the domain was previously optional and was left blank, as can be seen in the following screenshot of an iPhone: If the CAS proxy function is now used for coexistence between Exchange 2010/2013 and ... Read more

Exchange Migration: Caution with public folders (data loss)

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Anyone who is currently in the migration phase from Exchange Server to Exchange Server 2013/2016 and needs to migrate public folders should read the following article: https://support.microsoft.com/en-us/kb/3161916 This article describes a problem that can result in data loss. The problem occurs when there are several public folder databases on the source servers and not all public folders are ... Read more

Exchange 2016: Error during installation / migration ('Database' is binding for 'UserMailbox')

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The following error can occur with Exchange servers during installation: Error: The following error was generated when "$error.Clear(); if ( ($server -eq $null) -and ($RoleIsDatacenter -ne $true) ) { Update-RmsSharedIdentity -ServerName $RoleNetBIOSName } " was executed: "'Database' is binding for 'UserMailbox'. Property name: Database". 'Database' is binding for 'UserMailbox'. Property name: Database Click here to open the help ... Read more

Exchange 2016: Avoid problems during installation / migration

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When installing new Exchange 2016 servers, for example for migration, you need to proceed with caution. Exchange servers feel compelled to respond to client requests immediately after installation. The background is as follows: As soon as a new Exchange Server is installed, SCP (Service Connection Point) entries are also created in the Active Directory. The SCP entries are ... Read more

HowTo: Migration from Exchange 2013 to Exchange 2016 (Part 3)

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In the last part of the Exchange 2013 to Exchange 2016 migration, the environment is cleaned up and Exchange 2013 is uninstalled.the first two articles can be found here HowTo: Migration from Exchange 2013 to Exchange 2016 (Part 1) HowTo: Migration from Exchange 2013 to Exchange 2016 (Part 2) The mailboxes and public folders have already been moved in Part 2. ... Read more

HowTo: Migration from Exchange 2013 to Exchange 2016 (Part 2)

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This is the second part of the Exchange 2013 to Exchange 2016 migration. The first part can be found here: https://www.frankysweb.de/howto-migration-von-exchange-2013-zu-exchange-2016-teil-1/ Now that we have 2 functional Exchange servers, it is now time to migrate the data. Migration of the public folders The first step is to migrate the public folders. In contrast to Exchange ... Read more

HowTo: Migration from Exchange 2013 to Exchange 2016 (Part 1)

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I already wrote about the migration from Exchange 2010 to Exchange 2016 here. Today it's the turn of the migration from Exchange 2013 to Exchange 2016. Foreword This guide describes the migration from Exchange 2013 to Exchange 2016 and is intended to provide an overview of the necessary steps and is therefore deliberately kept simple. Certificates ... Read more

Migration from Exchange 2010 to Exchange 2016 (Part 3)

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Here is the third and final part of the migration from Exchange 2010 to Exchange 2016. Part 1 and Part 2 can be found here: Migration from Exchange 2010 to Exchange 2016 Part 1 Migration from Exchange 2010 to Exchange 2016 Part 2 In this part we clean up and uninstall Exchange 2010. Removing the Exchange 2010 databases ... Read more

Migration from Exchange 2010 to Exchange 2016 (Part 2)

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Here is the second part of the migration from Exchange 2010 to Exchange 2016. The first part can be found here: Migration from Exchange 2010 to Exchange 2016 Part 1 In this article, the public folders and the mailboxes are migrated. The migration of the public folders can only be done with downtime, so read first, then plan :-) ... Read more