Create or update Master site during registration of Azure Migrate project

{
    "authorization": {
        "action": "Microsoft.OffAzure/MasterSites/write",
        "scope": "/subscriptions/6a2e0b8d-6eb2-40de-8d63-e356a7daeff5/resourceGroups/rg-azm-p-weu-01/providers/Microsoft.OffAzure/MasterSites/azm-p-tcs-proj2190mastersite"
    },
    "caller": "******@denhaag.nl",
    "channels": "Operation",
    "claims": {
        "aud": "https://management.azure.com/",
        "iss": "https://sts.windows.net/8c653938-6726-49c5-bca7-8e44a4bf2029/",
        "iat": "1746790625",
        "nbf": "1746790625",
        "exp": "1746795921",
        "http://schemas.microsoft.com/claims/authnclassreference": "1",
        "acrs": "p1",
        "aio": "AXQAi/8ZAAAABLKMoUv3SX+rgFToja9kTBhU++dd+r0AEg5aTf0HlWHgT+9IiM5WLcJd2kyRkF/XRr8ZddvUq0qklPKKrcJp2+tmnKISCR7VbxMRix5E9IUTsixlpuQRzdeiI37xRtGHi2etlYdj/E3VykLK6lB87g==",
        "http://schemas.microsoft.com/claims/authnmethodsreferences": "pwd,mfa",
        "appid": "1950a258-227b-4e31-a9cf-717495945fc2",
        "appidacr": "0",
        "http://schemas.xmlsoap.org/ws/2005/05/identity/claims/surname": "Jasper",
        "http://schemas.xmlsoap.org/ws/2005/05/identity/claims/givenname": "Peter",
        "groups": "8f1946d5-cffb-417c-b6bd-62d78ec15854,c30c9c1f-9b4e-4521-967a-d56e6427c978,c2186820-18f5-4200-9a98-46819440839e,1f538f2a-4370-486a-b69b-ae1c0b155a34,fe054039-2bc8-4174-80f7-51ce0b7f97ac,ae58b93c-7e60-4000-a825-4a9772a4948d,9e1f9e58-5fbb-42f1-92b3-4c3916689310,4008ab62-9730-4c25-be13-7dea711dc64c,4de5b36b-a8ef-41af-b4fe-15881377ad47,c476a47b-3f09-4e3a-94e0-5f7db86a54d3,d03d5e89-64ef-49b1-8d50-84a24126e53c,e5fc6f8c-14ed-49b2-b30c-21e57ea48bb4,f97e5b94-1594-42e7-a46c-d3fe127dce4a,220301ae-f1c7-497e-8990-ba188dda7628,f0e334ae-4d2f-4dde-942b-cb914974a6ca,0c65aae1-e9b8-4c0b-9cc5-7bc004f26549,0c7eadfa-869a-48c2-b2b9-d853c8fce11d",
        "idtyp": "user",
        "ipaddr": "217.68.49.65",
        "name": "(Admin) Peter Jasper",
        "http://schemas.microsoft.com/identity/claims/objectidentifier": "2587eeb2-8f5a-4490-9f45-287edfafe869",
        "onprem_sid": "S-1-5-21-2012154288-281557362-3182275450-257178",
        "puid": "10032001DB97BEF6",
        "rh": "1.AR8AODlljCZnxUm8p45EpL8gKUZIf3kAutdPukPawfj2MBOFAOQfAA.",
        "http://schemas.microsoft.com/identity/claims/scope": "user_impersonation",
        "sid": "004db2b9-120e-c718-cc4f-f8e1c6a7648e",
        "http://schemas.xmlsoap.org/ws/2005/05/identity/claims/nameidentifier": "pxsbHAbxi9tGFMc7Z8MqZEWqgUGFTh6D-KZ9gnc45ys",
        "http://schemas.microsoft.com/identity/claims/tenantid": "8c653938-6726-49c5-bca7-8e44a4bf2029",
        "http://schemas.xmlsoap.org/ws/2005/05/identity/claims/name": "******@denhaag.nl",
        "http://schemas.xmlsoap.org/ws/2005/05/identity/claims/upn": "******@denhaag.nl",
        "uti": "-aVMS0mqeUG5lgjIWwZXAA",
        "ver": "1.0",
        "wids": "9b895d92-2cd3-44c7-9d02-a6ac2d5ea5c3,b79fbf4d-3ef9-4689-8143-76b194e85509",
        "xms_idrel": "8 1",
        "xms_tcdt": "1382709428"
    },
    "correlationId": "2ad04861-b597-45c1-98d3-70e85adb43fc",
    "description": "",
    "eventDataId": "4c074f33-009b-4077-bc44-feeb132360a8",
    "eventName": {
        "value": "EndRequest",
        "localizedValue": "End request"
    },
    "category": {
        "value": "Administrative",
        "localizedValue": "Administrative"
    },
    "eventTimestamp": "2025-05-09T12:09:46.1311482Z",
    "id": "/subscriptions/6a2e0b8d-6eb2-40de-8d63-e356a7daeff5/resourceGroups/rg-azm-p-weu-01/providers/Microsoft.OffAzure/MasterSites/azm-p-tcs-proj2190mastersite/events/4c074f33-009b-4077-bc44-feeb132360a8/ticks/638823893861311482",
    "level": "Error",
    "operationId": "2ad04861-b597-45c1-98d3-70e85adb43fc",
    "operationName": {
        "value": "Microsoft.OffAzure/MasterSites/write",
        "localizedValue": "Create or update Master site"
    },
    "resourceGroupName": "rg-azm-p-weu-01",
    "resourceProviderName": {
        "value": "Microsoft.OffAzure",
        "localizedValue": "Microsoft.OffAzure"
    },
    "resourceType": {
        "value": "Microsoft.OffAzure/MasterSites",
        "localizedValue": "Microsoft.OffAzure/MasterSites"
    },
    "resourceId": "/subscriptions/6a2e0b8d-6eb2-40de-8d63-e356a7daeff5/resourceGroups/rg-azm-p-weu-01/providers/Microsoft.OffAzure/MasterSites/azm-p-tcs-proj2190mastersite",
    "status": {
        "value": "Failed",
        "localizedValue": "Failed"
    },
    "subStatus": {
        "value": "BadRequest",
        "localizedValue": "Bad Request (HTTP Status Code: 400)"
    },
    "submissionTimestamp": "2025-05-09T12:10:57Z",
    "subscriptionId": "6a2e0b8d-6eb2-40de-8d63-e356a7daeff5",
    "tenantId": "8c653938-6726-49c5-bca7-8e44a4bf2029",
    "properties": {
        "statusCode": "BadRequest",
        "serviceRequestId": null,
        "statusMessage": "{\"error\":{\"code\":\"NetworkAccessUpdateNotSupported\",\"message\":\"Update of network access restrictions is not supported.\"}}",
        "eventCategory": "Administrative",
        "entity": "/subscriptions/6a2e0b8d-6eb2-40de-8d63-e356a7daeff5/resourceGroups/rg-azm-p-weu-01/providers/Microsoft.OffAzure/MasterSites/azm-p-tcs-proj2190mastersite",
        "message": "Microsoft.OffAzure/MasterSites/write",
        "hierarchy": "8c653938-6726-49c5-bca7-8e44a4bf2029/GDH-Cloud/Landingzones/azm/6a2e0b8d-6eb2-40de-8d63-e356a7daeff5"
    },
    "relatedEvents": []
}

• Update of network access restrictions is not supported.
• This happens when signing in in to the Azure Migrate Appliance for VMWare discover.