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MS Teams Graph API call to the channels/completeMigration does not work

Eli 96 Reputation points
2021-08-03T20:07:48.313+00:00

I'm trying to import existing messages in to a new Team in the migration mode.

I'm following instructions from this doc:
https://learn.microsoft.com/en-us/microsoftteams/platform/graph-api/import-messages/import-external-messages-to-teams

I've created a new Team like this: 

---------------------- REQUEST LOG -----------------------  
POST  /v1.0/teams  HTTP/1.1  
HOST: graph.microsoft.com  
HEADERS:  
          Accept-Encoding: gzip  
            Authorization: Bearer  
             Content-Type: application/json; charset=utf-8  
BODY   :  
{  
   "displayName": "test (2021-08-03T15:50:50Z)",  
   "isArchived": false,  
   "createdDateTime": "2021-05-08T17:14:01.537Z",  
   "@microsoft.graph.teamCreationMode": "migration",  
   "template@odata.bind": "https://graph.microsoft.com/v1.0/teamsTemplates('standard')"  
}  
-----------------------------------------------------------  
---------------------- RESPONSE LOG -----------------------  
STATUS  : 202 Accepted  
RECEIVED AT : 2021-08-03T15:52:50.768005z  
RESPONSE TIME : 2.338058263s  
HEADERS:  
        Client-Request-Id: 1d0ec4fa-05fb-4288-8bb9-e587acd6663e  
         Content-Location: /teams('6a499a24-df0a-4795-bd3b-59c861a7cc2c')  
                     Date: Tue, 03 Aug 2021 15:52:50 GMT  
                 Location: /teams('6a499a24-df0a-4795-bd3b-59c861a7cc2c')/operations('00000000-0000-0000-0000-000000000000')  
               Request-Id: 1d0ec4fa-05fb-4288-8bb9-e587acd6663e  
Strict-Transport-Security: max-age=31536000  
BODY   :

After that i've got a positive response with a valid teamsAsyncOperation, like following: 

---------------------- REQUEST LOG -----------------------  
GET  /v1.0/teams('6a499a24-df0a-4795-bd3b-59c861a7cc2c')/operations('00000000-0000-0000-0000-000000000000')  HTTP/1.1  
HOST   : graph.microsoft.com  
HEADERS:  
          Accept-Encoding: gzip  
            Authorization: Bearer  
BODY   :  
***** NO CONTENT *****  
-----------------------------------------------------------  
---------------------- RESPONSE LOG -----------------------  
STATUS  : 200 OK  
RECEIVED AT : 2021-08-03T15:50:54.663107Z  
RESPONSE TIME : 73.159567ms  
HEADERS:  
        Client-Request-Id: ba67f20c-6643-4059-af70-ff05167736c0  
         Content-Encoding: gzip  
             Content-Type: application/json;odata.metadata=minimal;odata.streaming=true;IEEE754Compatible=false;charset=utf-8  
                     Date: Tue, 03 Aug 2021 15:50:32 GMT  
            Odata-Version: 4.0  
               Request-Id: ba67f20c-6643-4059-af70-ff05167736c0  
Strict-Transport-Security: max-age=31536000  
                     Vary: Accept-Encoding  
BODY   :  
{  
   "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#teams('6a499a24-df0a-4795-bd3b-59c861a7cc2c')/operations/$entity",  
   "id": "00000000-0000-0000-0000-000000000000",  
   "operationType": "createTeam",  
   "createdDateTime": "0001-01-01T00:00:00Z",  
   "status": "succeeded",  
   "lastActionDateTime": "0001-01-01T00:00:00Z",  
   "attemptsCount": 1,  
   "targetResourceId": "6a499a24-df0a-4795-bd3b-59c861a7cc2c",  
   "targetResourceLocation": "/teams('6a499a24-df0a-4795-bd3b-59c861a7cc2c')",  
   "error": null  
}

Next i've tried to create new channel, also in migration mode: 

---------------------- REQUEST LOG -----------------------  
POST  /v1.0/teams/6a499a24-df0a-4795-bd3b-59c861a7cc2c/channels  HTTP/1.1  
HOST   : graph.microsoft.com  
HEADERS:  
          Accept-Encoding: gzip  
            Authorization: Bearer  
             Content-Type: application/json; charset=utf-8  
BODY   :  
{  
   "description": "Channel for Research and Development!",  
   "displayName": "Research and Development",  
   "id": "",  
   "isFavoriteByDefault": false,  
   "email": "",  
   "webUrl": "",  
   "membershipType": "standard",  
   "createdDateTime": "2021-05-08T18:14:01.537Z",  
   "@microsoft.graph.channelCreationMode": "migration"  
}  
----------------------------------------------------------  
---------------------- RESPONSE LOG -----------------------  
STATUS  : 201 Created  
RECEIVED AT : 2021-08-03T15:50:56.370108Z  
RESPONSE TIME : 1.505545673s  
HEADERS:  
        Client-Request-Id: 2aad3c90-ee24-4152-a38a-d341cdda4e54  
         Content-Encoding: gzip  
             Content-Type: application/json;odata.metadata=minimal;odata.streaming=true;IEEE754Compatible=false;charset=utf-8  
                     Date: Tue, 03 Aug 2021 15:50:34 GMT  
                 Location: https://teamsgraph.teams.microsoft.com/v1.0/teams('6a499a24-df0a-4795-bd3b-59c861a7cc2c')/channels('19:edf791c2ffea132578eb777e5905e5c1@thread.tacv2')  
            Odata-Version: 4.0  
               Request-Id: 2aad3c90-ee24-4152-a38a-d341cdda4e54  
Strict-Transport-Security: max-age=31536000  
                     Vary: Accept-Encoding  
BODY   :  
{  
   "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#teams('6a499a24-df0a-4795-bd3b-59c861a7cc2c')/channels/$entity",  
   "id": "19:edf791c2ffea132578eb777e5905e5c1@thread.tacv2",  
   "createdDateTime": null,  
   "displayName": "Research and Development",  
   "description": "Channel for Research and Development!",  
   "isFavoriteByDefault": null,  
   "email": null,  
   "webUrl": null,  
   "membershipType": null  
}

At this point almost everything looks working.
But next i've tried to complete migration for the channel, with accordance of this doc:
https://learn.microsoft.com/en-us/graph/api/channel-completemigration?view=graph-rest-1.0&tabs=http

and got following error: 

---------------------- REQUEST LOG -----------------------  
POST  /v1.0/teams/6a499a24-df0a-4795-bd3b-59c861a7cc2c/channel/19:edf791c2ffea132578eb777e5905e5c1@thread.tacv2/completeMigration  HTTP/1.1  
HOST   : graph.microsoft.com  
HEADERS:  
          Accept-Encoding: gzip  
            Authorization: Bearer  
BODY   :  
***** NO CONTENT *****  
-----------------------------------------------------------  
---------------------- RESPONSE LOG -----------------------  
STATUS  : 400 Bad Request  
RECEIVED AT : 2021-08-03T15:50:59.054144Z  
RESPONSE TIME : 53.880026ms  
HEADERS:  
        Client-Request-Id: 5e37ccda-fd0b-4cd2-8663-c066a9848b5e  
         Content-Encoding: gzip  
             Content-Type: application/json  
                     Date: Tue, 03 Aug 2021 15:50:37 GMT  
               Request-Id: 5e37ccda-fd0b-4cd2-8663-c066a9848b5e  
Strict-Transport-Security: max-age=31536000  
                     Vary: Accept-Encoding  
BODY   :  
{  
   "error": {  
      "code": "BadRequest",  
      "message": "Write requests (excluding DELETE) must contain the Content-Type header declaration.",  
      "innerError": {  
         "date": "2021-08-03T15:50:37",  
         "request-id": "5e37ccda-fd0b-4cd2-8663-c066a9848b5e",  
         "client-request-id": "5e37ccda-fd0b-4cd2-8663-c066a9848b5e"  
      }  
   }  
}

Ok, let's try to add appropriate header: 

---------------------- REQUEST LOG -----------------------  
POST  /v1.0/teams/6a499a24-df0a-4795-bd3b-59c861a7cc2c/channel/19:edf791c2ffea132578eb777e5905e5c1@thread.tacv2/completeMigration  HTTP/1.1  
HOST   : graph.microsoft.com  
HEADERS:  
                   Accept: application/json; utf-8  
          Accept-Encoding: gzip  
            Authorization: Bearer  
             Content-Type: application/json; utf-8  
BODY   :  
***** NO CONTENT *****  
-----------------------------------------------------------  
---------------------- RESPONSE LOG -----------------------  
STATUS  : 400 Bad Request  
RECEIVED AT : 2021-08-03T16:02:10.4809Z  
RESPONSE TIME : 99.262775ms  
HEADERS:  
        Client-Request-Id: 91a7facf-0700-44ba-b495-6eba19c7d7cb  
         Content-Encoding: gzip  
             Content-Type: application/json  
                     Date: Tue, 03 Aug 2021 19:01:48 GMT  
               Request-Id: 91a7facf-0700-44ba-b495-6eba19c7d7cb  
Strict-Transport-Security: max-age=31536000  
                     Vary: Accept-Encoding  
BODY   :  
{  
   "error": {  
      "code": "BadRequest",  
      "message": "Empty Payload. JSON content expected.",  
      "innerError": {  
         "date": "2021-08-03T19:01:49",  
         "request-id": "91a7facf-0700-44ba-b495-6eba19c7d7cb",  
         "client-request-id": "91a7facf-0700-44ba-b495-6eba19c7d7cb"  
      }  
   }  
}

Next, I've tried to add empty JSON object to request, and another error appeared: 

---------------------- REQUEST LOG -----------------------  
POST  /v1.0/teams/6a499a24-df0a-4795-bd3b-59c861a7cc2c/channel/19:edf791c2ffea132578eb777e5905e5c1@thread.tacv2/completeMigration  HTTP/1.1  
HOST   : graph.microsoft.com  
HEADERS:  
                   Accept: application/json; utf-8  
          Accept-Encoding: gzip  
            Authorization: Bearer  
             Content-Type: application/json; utf-8  
BODY   :  
{}  
-----------------------------------------------------------  
---------------------- RESPONSE LOG -----------------------  
STATUS  : 404 Not Found  
RECEIVED AT : 2021-08-03T19:09:05.07888Z  
RESPONSE TIME : 69.366717ms  
HEADERS:  
        Client-Request-Id: 44aaad04-7176-4cc5-a57c-d8427374fb7f  
         Content-Encoding: gzip  
             Content-Type: application/json  
                     Date: Tue, 03 Aug 2021 19:08:43 GMT  
               Request-Id: 44aaad04-7176-4cc5-a57c-d8427374fb7f  
Strict-Transport-Security: max-age=31536000  
                     Vary: Accept-Encoding  
BODY   :  
{  
   "error": {  
      "code": "UnknownError",  
      "message": "404 page not found\n",  
      "innerError": {  
         "date": "2021-08-03T19:08:43",  
         "request-id": "44aaad04-7176-4cc5-a57c-d8427374fb7f",  
         "client-request-id": "44aaad04-7176-4cc5-a57c-d8427374fb7f"  
      }  
   }  
}

Sorry for the long examples.

Could you help me with that error?
What should I do to complete migration for the channel?

Also, similar errors returning when i'm trying to complete team migration and when i'm trying to import message to that channel (which is in migration mode).

Microsoft Graph
Microsoft Graph
A Microsoft programmability model that exposes REST APIs and client libraries to access data on Microsoft 365 services.
12,802 questions
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Accepted answer
  1. Eli 96 Reputation points
    2021-09-09T22:50:17.23+00:00

    Everything works fine.

    The answer is use plural form of words in the path:

    /v1.0/teams/6a499a24-df0a-4795-bd3b-59c861a7cc2c/channels/.../messages/...

    instead of:

    /v1.0/teams/6a499a24-df0a-4795-bd3b-59c861a7cc2c/channel/.../message/...

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