Stopped-extension-dll-exceptions in User Profile Sync

February 4 2013 119 comments

Symptons: You get stopped-extension-dll-exceptions in MIIS client while running full or incremental user profile sync.
MIIS Client

At the same time you will get following exceptions in Application log:
Application Log

Fix: This problem arises from user profiles that have URL in PictureURL field, but the picture is not accessible. You can fix this issue by running the following PS script. The script loops through every user profile and makes a HTTP request to the picture URL. If the URL cannot be accessed the script clears PictureURL field.

# Get user profile service
$UserProfileService = @(Get-SPServiceApplication | ? { $_.TypeName -eq "User Profile Service Application" })[0]

    $serviceContext = [Microsoft.SharePoint.SPServiceContext]::GetContext($UserProfileService.ServiceApplicationProxyGroup, [Microsoft.SharePoint.SPSiteSubscriptionIdentifier]::Default);
    $profileManager = New-Object Microsoft.Office.Server.UserProfiles.UserProfileManager($serviceContext)

    # Get all profiles
    $allProfiles = $profileManager.GetEnumerator();

    $counter = 0;
    $decCounter = 0;

    # Loop through every profile
    foreach($profile in $allProfiles)

        $url = $Profile['PictureURL'] -as [string];

            # Create HTTP Request
            $req = [system.Net.WebRequest]::Create($url)
            $req.UseDefaultCredentials = $true
            try {
                $res = $req.GetResponse()
            catch [System.Net.WebException] {
                $res = $_.Exception.Response

            $int = [int]$res.StatusCode
            $status = $res.StatusCode

            # If the image cannot be accessed clear the field
            if($int -gt 400)
                Write-Host -NoNewLine $Profile['PreferredName'] "profile picture broken "
                $Profile['PictureURL'].Value = $null;
                Write-Host -ForegroundColor Green "[FIXED]";

        if($deccounter -eq 10)
            Write-Host $counter" user profile checked";

After running this script the User Profile Sync started to work immediately.

Popularity: 5% [?]

119 comments to “Stopped-extension-dll-exceptions in User Profile Sync”

  1. Dave says:

    Ty Ty Ty, spot on. I have been trying to figure that damn thing out for weeks.

  2. Eric says:

    Thanks very much Marko. I got these errrors after a MySite WebApplication name change, and it solved the problem.

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  4. Barbaros says:

    After Web app restore, problem has started. This helped a lot, thank you very much!!

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  7. John Chapman says:

    Thanks for posting this. I was receiving “More than one DN specified for the same profile” exceptions, and this (though not seemingly related) resolved it.

  8. Allison says:

    Seems to be fixing my pictures , reporting every 10 checked, but occasionally throwing this error. SP 2010 farm.

    Exception setting “UseDefaultCredentials”: “This property is not supported by this class.”

    Any insight?

  9. Yasir Ahmed says:

    Thanks, this worked for me.

  10. Sören says:

    Thanx very mutch for this helpful hint and the description to figure out and fixing this problem !

  11. Tonia says:

    Everything is very open with a very clear description of the issues.

    It was truly informative. Your website is useful.
    Thanks for sharing!

  12. P33838 says:

    Trying to amend your script to output to a file so that I do not commit any changes until I know how many profiles have the issue but not having any luck. Can you please let me know what I would need to amend to output to a file ?

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  14. Kyle says:

    The Script fixed my error in the FIM, but i am still not getting my pictures to load from AD. They have copied to SP in a library, but are not showing in the People Directory. How do I fix that?

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  17. Alex says:

    Hi, i still have kindof the same problem but it is not 404 is 401 and i made all i know to find the problem and still nothing.

    The log is like:

    “System.Net.WebException: The remote server returned an error: (401) Unauthorized.
    at System.Net.WebClient.DownloadDataInternal(Uri address, WebRequest& request)
    at System.Net.WebClient.DownloadData(Uri address)
    at Microsoft.Office.Server.UserProfiles.ManagementAgent.ProfileImportExportExtension.DownloadPictures(ProfileChangeData[] profiles, Boolean delayErrors)
    at Microsoft.Office.Server.UserProfiles.ManagementAgent.ProfileImportExportExtension.Microsoft.MetadirectoryServices.IMAExtensibleFileImport.GenerateImportFile(String fileName, String connectTo, String user, String password, ConfigParameterCollection configParameters, Boolean fFullImport, TypeDescriptionCollection types, String& customData)
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  19. Capurnicus says:

    Ran it with SharePoint 2010 Management Shell (Admin), and it worked like a charm! Thanks!

  20. Sujith Priyankara says:

    still same error… please help

  21. vas says:

    Easiest way o solve this problem is you could delete the synchronization connection, and recreate another. But before doing so take note of all managed properties because this will be deleted as well.
    The thing is that i do not want the existing pictures to be deleted. Also, this keeps happening when someone uploads new picture and there is already picture in the AD. Is there any solution to update without error and keep all images as well?

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    Thanks for bringing this one up. I have been looking for this. :)

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