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Can we safely Uncheck the "Allow high-bit characters" (high bit are NON-ASCII characters) check box in IIS Request Filtering?


Article ID: 173915


Updated On:


IT Management Suite


It may be OK to turn off High Bit characters as long as Computers aren't named w/ High Bit characters (Chinese).   It's not suggested to make this change if we're using High Bit / Unicode characters in system names.  For example: Japanese / Chinese languages may have issues if this is disabled.

Fix Text: Follow the procedures below for each site hosted on the IIS 8.5 web server:
Open the IIS 8.5 Manager.
Click the site name under review.
Double-click the "Request Filtering" icon.
Click “Edit Feature Settings” in the "Actions" pane.
Uncheck the "Allow high-bit characters" check box.