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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(89.60000000000001, 49%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESJ%3C/text%3E%3C/svg%3E)
Hi All,
recently we have updated below KB's.
Post that, if we click any of the object in MIM portal, we are getting below error.
Sorry, something went wrong
The control type 'System.Web.UI.HtmlControls.HtmlAnchor' is not allowed on this page.
Need your help!
Shashidhar Joliholi
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(243.2, 45%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
i have same problem but i cant find the solution for that , please can any one help me .
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(307.2, 67%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESC%3C/text%3E%3C/svg%3E)
Hello,
Did you try the solution proposed in the answer? It worked for me
BR,
Sylvain
$f=get-spfarm
$f.AddGenericAllowedListValue("WebPartSupportedBoundPropertyNames","data-title-text")
$f.AddGenericAllowedListValue("WebPartSupportedBoundPropertyNames","data-link-to-tab-text")
$f.update()
iisreset
To add a but more of context, this is a "well-know" issue and you have a more generic resolution here: https://support.microsoft.com/en-us/topic/aspx-file-cannot-be-displayed-when-you-create-a-custom-web-part-kb5030804-4d8e1e49-dfc9-4261-9d67-cb62ad20e332
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(128, 87%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMS%3C/text%3E%3C/svg%3E)
Hello,
i opend a case with Microsoft and got the solution by adding the below line in the web.config, and the issue solved.
<PageParserPaths>
<PageParserPath VirtualPath="/*" CompilationMode="Always" AllowServerSideScript="true" AllowUnsafeControls="true" IncludeSubFolders="true" />
</PageParserPaths>
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(134.4, 69%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
Hello,
This modification solved my problem too.
(It is still not patch in the CU January 2025...)
Thank you