1,745 questions
IIS 10 missing Trust Level
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Tiong
1
Reputation point
Windows Server 2019 IIS 10
My website is using medium trust level. I overwrite the web_mediumtrust.config by including the securityclass for DirectoryServicePermission. However, when i go to IIS manager and click the Trust Level, an error appeared with message "The selected trust level medium does not exist on the server. The dropdown list of trust level is empty.
I tried to reinstall IIS and overwrite the config with records from the given default config file but problem persists.
Please advise.
Tiong
Windows development | Internet Information Services
Developer technologies | ASP.NET | Other
3,600 questions
{count} votes
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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(3.2, 24%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESW%3C/text%3E%3C/svg%3E)
Sam Wu-MSFT 7,561 Reputation points Microsoft External Staff2022-06-21T03:22:08.467+00:00 @Tiong It is difficult to reproduce your problem based on your description, what is DirectoryServicePermission? are you try to add the permissions that you want to grant? Can you show me the configuration of the website?
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Tiong 1 Reputation point
2022-06-22T00:16:48.31+00:00 I solved the issue. At IIS manager, the Trust Level of IIS server, somehow the level was not selected in the dropdown list. I selected Medium and applied it. Now at my website Trust Level, the dropdown list appears with a list of trust level for me to select.
Thank you for your help.
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