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Flow claims it succeeded but no file

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Posted on by duncfair

I have been using Flows for years to grab attachments and save them to network shares for later ingestion.

Due to a file server update, I need to copy all my flows and update the destination. Sounds simple. When I did this, the new flows say the run succeeded, but the file is not being created in the new file share (which I have full read\write access to).

How do I fix something that claims it worked and displays no errors?

Thanks!

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Building flows

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Tomac 3,953 Moderator on at

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Can you reply with some screenshots of your flow including the outputs of a successful run showing the actions that create the file expanded?

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duncfair 54 on at

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{

    "subscribe": {

        "method": "post",

        "queries": {

            "folderPath": "Id::AQMkADFhYzgxOTZlLWM1OTYtNGNlZi1iZGViLTEzZjhjYTY5ZTQ4ZQAuAAADuxgbeXPY2kShgL1Goq95MwEA2hLbeSRRlEWYDcx94b9SKgAAAgEMAAAA",

            "importance": "Any",

            "fetchOnlyWithAttachment": "True"

        },

        "body": {

            "NotificationUrl": "https://prod-186.westus.logic.azure.com/workflows/2c923e9f522c4f50a68897dc78953f0c/triggers/When_a_new_email_arrives/versions/08584496206953153465/run?api-version=2016-06-01&sp=%2Ftriggers%2FWhen_a_new_email_arrives%2Fversions%2F08584496206953153465%2Frun%2C%2Ftriggers%2FWhen_a_new_email_arrives%2Fversions%2F08584496206953153465%2Fread&sv=1.0&sig=ngvErXrPOBaWPeiLQlUQjVsRVpTnmZd_qQoKgZu5zGo"

        },

        "pathTemplate": {

            "template": "/GraphMailSubscriptionPoke/$subscriptions"

        }

    },

    "fetch": {

        "method": "get",

        "queries": {

            "folderPath": "Id::AQMkADFhYzgxOTZlLWM1OTYtNGNlZi1iZGViLTEzZjhjYTY5ZTQ4ZQAuAAADuxgbeXPY2kShgL1Goq95MwEA2hLbeSRRlEWYDcx94b9SKgAAAgEMAAAA",

            "importance": "Any",

            "fetchOnlyWithAttachment": "True",

            "includeAttachments": "True",

            "subjectFilter": "Job EMM_TDX_PROD_ALL_DAILY, Step 1"

        },

        "pathTemplate": {

            "template": "/v3/Mail/OnNewEmail"

        }

    },

    "host": {

        "api": {

            "runtimeUrl": "https://flow-apim-msmanaged-na-centralus-01.azure-apim.net/apim/office365"

        },

        "connection": {

            "name": "/providers/Microsoft.PowerApps/apis/shared_office365/connections/shared-office365-a944c399-6fe6-4d3d-9814-4153dcdc9d14"

        }

    },

    "authentication": {

        "scheme": "Key",

        "parameter": "*sanitized*",

        "type": "Raw"

    }

}

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duncfair 54 on at

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{

    "statusCode": 200,

    "headers": {

        "Cache-Control": "no-store, no-cache",

        "Pragma": "no-cache",

        "Transfer-Encoding": "chunked",

        "Vary": "Accept-Encoding",

        "Set-Cookie": "ARRAffinity=2b32c941e87fc70dc161f1125535279f54f62986d944c59b80b03a276f731b44;Path=/;HttpOnly;Secure;Domain=filesystem-eus2.azconn-eus2-002.p.azurewebsites.net,ARRAffinitySameSite=2b32c941e87fc70dc161f1125535279f54f62986d944c59b80b03a276f731b44;Path=/;HttpOnly;SameSite=None;Secure;Domain=filesystem-eus2.azconn-eus2-002.p.azurewebsites.net",

        "Strict-Transport-Security": "max-age=31536000; includeSubDomains",

        "x-ms-request-id": "0c1bc9b6-fd1f-4e0f-a1c3-63a25aa4aced",

        "X-Content-Type-Options": "nosniff",

        "X-Frame-Options": "DENY",

        "x-ms-connection-gateway-object-id": "8d49d3e4-267d-490f-9d1f-923abcbb8aa4",

        "x-ms-environment-id": "default-b67d722d-aa8a-4777-a169-ebeb7a6a3b67",

        "x-ms-tenant-id": "b67d722d-aa8a-4777-a169-ebeb7a6a3b67",

        "x-ms-dlp-re": "-|-",

        "x-ms-dlp-gu": "-|-",

        "x-ms-dlp-ef": "-|-/-|-|-",

        "Timing-Allow-Origin": "*",

        "x-ms-apihub-cached-response": "false",

        "x-ms-apihub-obo": "false",

        "Date": "Thu, 10 Jul 2025 15:31:54 GMT",

        "Content-Type": "application/json; charset=utf-8",

        "Expires": "-1",

        "Content-Length": "622"

    },

    "body": {

        "Id": "XFx1c3dobG5ldGFwY25hczEudGhlcm1vLmNvbVxJVF9FWFRSQUNUU19TQVBcSm9iIEVNTV9URFhfUFJPRF9BTExfREFJTFksIFN0ZXAgMS50eHQ=",

        "Name": "Job EMM_TDX_PROD_ALL_DAILY, Step 1.txt",

        "DisplayName": "Job EMM_TDX_PROD_ALL_DAILY, Step 1.txt",

        "Path": "\\\\usxxxxxxxxxx.xxxxxxx.com\\IT_EXTRACTS_SAP\\Job EMM_TDX_PROD_ALL_DAILY, Step 1.txt",

        "LastModified": "2025-07-10T15:31:55Z",

        "Size": 20045380,

        "MediaType": "text/plain",

        "IsFolder": false,

        "ETag": "\"MDcvMTAvMjAyNSAxNTozMTo1NXwyMDA0NTM4MA==\"",

        "FileLocator": "XFx1c3dobG5ldGFwY25hczEudGhlcm1vLmNvbVxJVF9FWFRSQUNUU19TQVBcSm9iIEVNTV9URFhfUFJPRF9BTExfREFJTFksIFN0ZXAgMS50eHQ=",

        "LastModifiedBy": null

    }

}

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Tomac 3,953 Moderator on at

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Here's the issue:

"Name": "Job EMM_TDX_PROD_ALL_DAILY, Step 1.txt",

A comma is not allowed in a filename, so the file is not getting handled properly. Not sure why the action isn't failing on that, but you'll need to have a character filter on your filenames removing characters such as a comma, semicolon, and other disallowed characters

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duncfair 54 on at

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I cannot believe it is the commas, as I have the EXACT same flow creating the EXACT same file with the EXACT same name - but to a different destination network drive - working perfectly without any filtering for commas and\or special characters.

In fact, I have dozens of them and they have been working just fine for years. As the only change is the new share, logic says that is the problem.

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