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Localized version

إعادة التحقق من صحة الاستجابة مطلوبة دائمًا، ولكن لم يتم تعيين الرأس Last-Modified أو ETag على الاستجابة.
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English version

Response revalidation is always required but neither Last-Modified nor ETag header is set on the response.
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Localized version
 Arabic

Error category
 .Net Framework

Other localized versions
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