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Dynamics 365 Community / Forums / Small and medium business | Business Central, N... / Failed to prepare the ...
Small and medium business | Business Central, N...
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Failed to prepare the systems for replication - ErrorMessage='Operation on target GetSourceBCVersion failed

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Posted on by Agustin Mendez 180

Hi, I'm migrating from a BC 14 On-Prem to BC Online 21.1 and I'am receiving this error during the cloud migration setup. 

Failed to prepare the systems for replication. The call to prepare servers failed. Run id='79dd1b99-39b8-418c-b66a-4abc3baca103', Name='mslata9446t29490621_BCLast_Preparation', ErrorMessage='Operation on target GetSourceBCVersion failed: ErrorCode=InvalidParameter,'Type=Microsoft.DataTransfer.Common.Shared.HybridDeliveryException,Message=The value of the property '' is invalid: 'Keyword not supported: 'sever'.'.,Source=,''Type=System.ArgumentException,Message=Keyword not supported: 'sever'.,Source=System.Data,''

My Connection string is: Sever={MyConnection};Database={MyDatabase};User Id={MyUser};Password={MyPassword};

 

Any idea?

  • Suggested answer
    Nitin Verma Profile Picture
    Nitin Verma 21,273 Moderator on at
    RE: Failed to prepare the systems for replication - ErrorMessage='Operation on target GetSourceBCVersion failed

    Good news.

  • Agustin Mendez Profile Picture
    Agustin Mendez 180 on at
    RE: Failed to prepare the systems for replication - ErrorMessage='Operation on target GetSourceBCVersion failed

    Resolved! the problem was an error in the connection string.

    Thanks ZHU and Marco!

  • Suggested answer
    YUN ZHU Profile Picture
    YUN ZHU 77,925 Super User 2025 Season 1 on at
    RE: Failed to prepare the systems for replication - ErrorMessage='Operation on target GetSourceBCVersion failed

    Just adding to Marco's reply.

    My test example:

    Server=MyServer\BCDEMO;Database=BC170;User Id=MySQLAccount;PWD=MyPassWord;

    Hope this helps.

    Thanks.

    ZHU

  • Suggested answer
    Marco Mels Profile Picture
    Marco Mels on at
    RE: Failed to prepare the systems for replication - ErrorMessage='Operation on target GetSourceBCVersion failed

    Hello,

    The correct connection strings are like this:

    Server={Server Name\Instance Name};Initial Catalog={Database Name};UserID={SQL Authenticated UserName};Password={SQL Authenticated Password};

    Server={Server Name\Instance Name};Database={Database Name};User Id={SQL Server Authenticated UserName};Password={SQL Server Authenticated Password};

    The keyword "sever" is not supported. This should be "Server".

    Hope it helps.

  • Agustin Mendez Profile Picture
    Agustin Mendez 180 on at
    RE: Failed to prepare the systems for replication - ErrorMessage='Operation on target GetSourceBCVersion failed

    Hi ZHU, thanks for your answer but the error still the same. Reading your post I thought it could be because the country version. The source DB BC 14 is W1 and the target BR. But i Tried with the same country code for both W1 and the error persist.

     

    As additional info following the detailed error:

     

    "Hybrid Deployment"(CodeUnit 6060).RetryGetStatus line 22 - Base Application by Microsoft "Hybrid Deployment"(CodeUnit 6060).RetryGetStatus line 2 - Base Application by Microsoft "Hybrid Deployment"(CodeUnit 6060).EnableReplication line 22 - Base Application by Microsoft "Hybrid Cloud Management"(CodeUnit 4001).EnableReplication line 8 - Intelligent Cloud Base by Microsoft "Hybrid Cloud Management"(CodeUnit 4001).HandleShowCompanySelectionStep line 8 - Intelligent Cloud Base by Microsoft "Hybrid Cloud Setup Wizard"(Page 4000).ShowCompanySelectionStep line 5 - Intelligent Cloud Base by Microsoft "Hybrid Cloud Setup Wizard"(Page 4000).NextStep line 40 - Intelligent Cloud Base by Microsoft "Hybrid Cloud Setup Wizard"(Page 4000).NextStep line 30 - Intelligent Cloud Base by Microsoft "Hybrid Cloud Setup Wizard"(Page 4000)."ActionNext - OnAction"(Trigger) line 35 - Intelligent Cloud Base by Microsoft "Guided Experience Impl."(CodeUnit 1991).RunObject line 4 - System Application by Microsoft "Guided Experience Impl."(CodeUnit 1991).Run line 34 - System Application by Microsoft "Guided Experience Impl."(CodeUnit 1991).RunAndRefreshAssistedSetup line 2 - System Application by Microsoft "Assisted Setup"(Page 1801).RunPage line 5 - System Application by Microsoft "Assisted Setup"(Page 1801)."Start Setup - OnAction"(Trigger) line 2 - System Application by Microsoft

  • Suggested answer
    YUN ZHU Profile Picture
    YUN ZHU 77,925 Super User 2025 Season 1 on at
    RE: Failed to prepare the systems for replication - ErrorMessage='Operation on target GetSourceBCVersion failed

    Hi, I did a similar test in BC17, hope the link below can give you some hints.

    Dynamics 365 Business Central: How to migrate On-Premises Data to Cloud (SaaS)

    https://yzhums.com/6646/

    Thanks.

    ZHU

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