{"id":12665,"date":"2026-06-28T15:27:21","date_gmt":"2026-06-28T08:27:21","guid":{"rendered":"https:\/\/tct.vn\/blog\/tai-sao-outlook-lai-xung-dot-voi-vpn-cua-toi\/"},"modified":"2026-06-28T15:27:21","modified_gmt":"2026-06-28T08:27:21","slug":"tai-sao-outlook-lai-xung-dot-voi-vpn-cua-toi","status":"publish","type":"post","link":"https:\/\/tct.vn\/blog\/tai-sao-outlook-lai-xung-dot-voi-vpn-cua-toi\/","title":{"rendered":"T\u1ea1i sao Outlook l\u1ea1i xung \u0111\u1ed9t v\u1edbi VPN c\u1ee7a t\u00f4i?"},"content":{"rendered":"<p><html><body><\/p>\n<div>\n<div class=\"content\">\n<fieldset class=\"quick-tips\">\n<legend>Quick Tips<\/legend>\n<ul>\n<li>H\u00e0ng lo\u1ea1t l\u00fd do khi\u1ebfn Outlook v\u00e0 VPN xung \u0111\u1ed9t v\u1edbi nhau, ch\u1ee7 y\u1ebfu l\u00e0 do ch\u1eb7n c\u1ed5ng v\u00e0 thi\u1ebft l\u1eadp t\u00ean mi\u1ec1n (DNS).<\/li>\n<li>N\u00ean \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u1ea3 hai \u0111\u1ec1u \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt \u0111\u1ea7y \u0111\u1ee7 v\u00e0 ph\u1ea7n m\u1ec1m di\u1ec7t virus kh\u00f4ng \u0111\u00e1nh d\u1ea5u b\u1ea5t c\u1ee9 m\u1ed9t trong s\u1ed1 ch\u00fang.<\/li>\n<li>Thay \u0111\u1ed5i m\u00e1y ch\u1ee7 tr\u00ean VPN c\u1ee7a b\u1ea1n ho\u1eb7c b\u1eadt t\u00ednh n\u0103ng ph\u00e2n \u0111o\u1ea1n (split tunneling) cho Outlook.<\/li>\n<\/ul>\n<\/fieldset>\n<p class=\"wp-block-paragraph\">C\u00e1c \u1ee9ng d\u1ee5ng VPN ng\u00e0y c\u00e0ng tr\u1edf n\u00ean quan tr\u1ecdng trong vi\u1ec7c b\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 khi l\u01b0\u1edbt web. Tuy nhi\u00ean, \u0111\u00f4i khi ch\u00fang l\u1ea1i kh\u00f4ng t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nh\u01b0 Outlook. N\u1ebfu b\u1ea1n g\u1eb7p ph\u1ea3i v\u1ea5n \u0111\u1ec1 k\u1ebft n\u1ed1i internet ho\u1eb7c b\u1ecb ng\u1eaft k\u1ebft n\u1ed1i, b\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u00fap b\u1ea1n t\u00ecm ra nguy\u00ean nh\u00e2n v\u00e0 c\u00e1ch gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 k\u1ebft n\u1ed1i VPN v\u1edbi Outlook.<\/p>\n<h2 class=\"wp-block-heading\" id=\"h-why-do-vpns-cause-problems-with-outlook\">T\u1ea1i sao VPN g\u00e2y ra v\u1ea5n \u0111\u1ec1 v\u1edbi Outlook?<\/h2>\n<p class=\"wp-block-paragraph\">sang ti\u1ebfng Vi\u1ec7t:<\/p>\n<p>H\u00e3y c\u00f9ng xem x\u00e9t m\u1ed9t s\u1ed1 l\u00fd do ch\u00ednh khi\u1ebfn Outlook c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi VPN:<\/p>\n<ul class=\"wp-block-list\">\n<li>Ch\u1eb7n c\u1ed5ng &#8211; C\u00f3 th\u1ec3 l\u00e0 k\u1ebb vi ph\u1ea1m l\u1edbn nh\u1ea5t l\u00e0 vi\u1ec7c ch\u1eb7n m\u1ed9t s\u1ed1 c\u1ed5ng c\u1ee7a VPN. C\u1ed5ng IMAP, POP ho\u1eb7c SMTP c\u00f3 th\u1ec3 b\u1ecb ch\u1eb7n ho\u1eb7c chuy\u1ec3n h\u01b0\u1edbng, t\u1eeb \u0111\u00f3 khi\u1ebfn \u1ee9ng d\u1ee5ng kh\u00f4ng \u0111\u1ed3ng b\u1ed9 \u0111\u01b0\u1ee3c.<\/li>\n<li>DNS g\u1eb7p v\u1ea5n \u0111\u1ec1 &#8211; DNS c\u0169ng c\u00f3 th\u1ec3 b\u1ecb thay th\u1ebf b\u1eb1ng m\u1ed9t VPN, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 ng\u0103n ch\u1eb7n li\u00ean h\u1ec7 v\u1edbi c\u00e1c m\u00e1y ch\u1ee7 c\u1ee7a Microsoft cho Outlook.<\/li>\n<li>M\u00e1y t\u00ednh kh\u00e1ch kh\u00f4ng \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean &#8211; N\u1ebfu m\u00e1y t\u00ednh kh\u00e1ch kh\u00f4ng \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean, n\u00f3 c\u00f3 th\u1ec3 xung \u0111\u1ed9t v\u1edbi phi\u00ean b\u1ea3n m\u1edbi h\u01a1n c\u1ee7a Outlook ho\u1eb7c ng\u01b0\u1ee3c l\u1ea1i.<\/li>\n<li>Ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 t\u01b0\u1eddng l\u1eeda &#8211; Ph\u1ea7n m\u1ec1m di\u1ec7t virus c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 c\u0169ng s\u1ebd l\u01b0u l\u1ea1i \u0111\u1ecba ch\u1ec9 VPN nh\u01b0 m\u1ed9t \u0111\u1ecba ch\u1ec9 nghi ng\u1edd v\u00e0 ch\u1eb7n n\u00f3, t\u1eeb \u0111\u00f3 khi\u1ebfn cho Outlook kh\u00f4ng th\u1ec3 truy c\u1eadp \u0111\u01b0\u1ee3c.<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\" id=\"h-fixing-outlook-vpn-connection-problems\">S\u1eeda l\u1ed7i k\u1ebft n\u1ed1i VPN c\u1ee7a Outlook<\/h2>\n<p class=\"wp-block-paragraph\">B\u00e2y gi\u1edd b\u1ea1n \u0111\u00e3 hi\u1ec3u t\u1ea1i sao Outlook g\u1eb7p v\u1ea5n \u0111\u1ec1 v\u1edbi VPN, h\u00e3y c\u00f9ng xem x\u00e9t m\u1ed9t s\u1ed1 gi\u1ea3i ph\u00e1p c\u00f3 th\u1ec3 gi\u00fap Outlook ho\u1ea1t \u0111\u1ed9ng tr\u1edf l\u1ea1i khi k\u1ebft n\u1ed1i VPN.<\/p>\n<h3 class=\"wp-block-heading\" id=\"h-switch-servers\">\u0110\u1ed5i m\u00e1y ch\u1ee7<\/h3>\n<p class=\"wp-block-paragraph\">C\u00f3 th\u1ec3 m\u00e1y ch\u1ee7 VPN m\u00e0 b\u1ea1n \u0111\u00e3 ch\u1ecdn \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u l\u00e0 ho\u1ea1t \u0111\u1ed9ng b\u1ea5t th\u01b0\u1eddng b\u1edfi Microsoft ho\u1eb7c ph\u1ea7n m\u1ec1m di\u1ec7t virus c\u1ee7a b\u1ea1n. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111i\u1ec1u n\u00e0y kh\u00f4ng ph\u1ea3i l\u00e0 tr\u01b0\u1eddng h\u1ee3p, b\u1ea1n c\u00f3 th\u1ec3 thay \u0111\u1ed5i m\u00e1y ch\u1ee7. \u0110\u00e2y l\u00e0 c\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n:<\/p>\n<p class=\"wp-block-paragraph\">M\u1edf VPN c\u1ee7a b\u1ea1n.<\/p>\n<p class=\"wp-block-paragraph\">Ng\u1eaft k\u1ebft n\u1ed1i kh\u1ecfi m\u00e1y ch\u1ee7 hi\u1ec7n t\u1ea1i.<\/p>\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 3: Ch\u1ecdn m\u1ed9t m\u00e1y ch\u1ee7 t\u1eeb m\u1ed9t khu v\u1ef1c kh\u00e1c; c\u00e0ng g\u1ea7n nh\u00e0 c\u00e0ng t\u1ed1t.<\/p>\n<p class=\"wp-block-paragraph\">Kh\u1edfi \u0111\u1ed9ng l\u1ea1i Outlook v\u00e0 xem li\u1ec7u \u0111i\u1ec1u n\u00e0y c\u00f3 ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng.<\/p>\n<h3 class=\"wp-block-heading\" id=\"h-enable-split-tunneling\">C\u00e0i \u0111\u1eb7t \u0111\u01b0\u1eddng h\u1ea7m ri\u00eang<\/h3>\n<p class=\"wp-block-paragraph\">Tunneling chia \u0111\u00f4i l\u00e0 m\u1ed9t t\u00ednh n\u0103ng c\u1ee7a c\u00e1c \u1ee9ng d\u1ee5ng VPN cho ph\u00e9p m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng v\u00e0 d\u1ecbch v\u1ee5 k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp m\u00e0 kh\u00f4ng c\u1ea7n qua VPN, trong khi v\u1eabn ch\u1ea1y d\u1ecbch v\u1ee5 \u0111\u00f3. M\u1ed7i VPN \u0111\u1ec1u kh\u00e1c nhau, nh\u01b0ng b\u1ea1n n\u00ean c\u00f3 th\u1ec3 t\u00ecm th\u1ea5y t\u00f9y ch\u1ecdn n\u00e0y \u1edf C\u00e0i \u0111\u1eb7t N\u00e2ng cao c\u1ee7a VPN. B\u1eadt n\u00f3 l\u00ean v\u00e0 ch\u1ec9 \u0111\u1ecbnh Outlook.<\/p>\n<h3 class=\"wp-block-heading\" id=\"h-update-everything\">C\u1eadp nh\u1eadt m\u1ecdi th\u1ee9<\/h3>\n<p class=\"wp-block-paragraph\">C\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m VPN c\u1ee7a b\u1ea1n, c\u1eadp nh\u1eadt Outlook v\u00e0 trong khi \u0111\u00f3 h\u00e3y c\u1eadp nh\u1eadt Windows n\u1eefa. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o m\u1ecdi th\u1ee9 \u0111\u1ec1u ch\u1ea1y t\u1ed1t nh\u1ea5t c\u00f3 th\u1ec3, b\u1ea1n c\u1ea7n ph\u1ea3i \u0111\u1ed3ng b\u1ed9 h\u00f3a t\u1ea5t c\u1ea3 c\u00e1c \u1ee9ng d\u1ee5ng tr\u00ean c\u00f9ng m\u1ed9t trang.<\/p>\n<h3 class=\"wp-block-heading\" id=\"h-check-your-ports\">Ki\u1ec3m tra c\u1ed5ng<\/h3>\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c c\u1ed5ng m\u00e0 Outlook \u0111ang s\u1eed d\u1ee5ng ch\u00ednh x\u00e1c, b\u1ea1n c\u00f3 th\u1ec3 x\u00e1c nh\u1eadn th\u00f4ng qua C\u00e0i \u0111\u1eb7t c\u1ee7a n\u00f3. \u0110\u00e2y l\u00e0 c\u00e1ch th\u1ef1c hi\u1ec7n:<\/p>\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 1: Nh\u1ea5p v\u00e0o th\u1ebb &#8220;File&#8221; v\u00e0 nh\u1ea5p v\u00e0o &#8220;T\u00e0i kho\u1ea3n C\u00e0i \u0111\u1eb7t&#8221;.<\/p>\n<figure class=\"wp-block-image size-full\"><img alt=\"Why Is Outlook Clashing With My VPN 1\" class=\"wp-image-450152\" decoding=\"async\" fetchpriority=\"high\" sizes=\"(max-width: 1280px) 100vw, 1280px\" src=\"https:\/\/tct.vn\/blog\/wp-content\/uploads\/2026\/06\/Why-Is-Outlook-Clashing-With-My-VPN-1.jpg\" style=\"max-width: 100% !important; height: auto !important; max-height: 600px !important; object-fit: contain !important;\"\/><\/figure>\n<p class=\"wp-block-paragraph\"><strong>B\u01b0\u1edbc 2.<\/strong> Nh\u1ea5p v\u00e0o &#8220;Qu\u1ea3n l\u00fd h\u1ed3 s\u01a1&#8221; t\u1eeb danh s\u00e1ch th\u1ea3 xu\u1ed1ng.<\/p>\n<p class=\"wp-block-paragraph\">Ch\u1ecdn \u0111\u1ecba ch\u1ec9 email t\u1eeb danh s\u00e1ch \u0111\u01b0\u1ee3c cung c\u1ea5p.<\/p>\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 4: X\u00e1c nh\u1eadn th\u00f4ng tin SMTP tr\u00ean \u1ee9ng d\u1ee5ng POP v\u00e0 IMAP<\/p>\n<figure class=\"wp-block-image size-full\"><img alt=\"Why Is Outlook Clashing With My VPN 2\" class=\"wp-image-450153 perfmatters-lazy\" data-sizes=\"(max-width: 1083px) 100vw, 1083px\" decoding=\"async\" src=\"https:\/\/tct.vn\/blog\/wp-content\/uploads\/2026\/06\/Why-Is-Outlook-Clashing-With-My-VPN-2.jpg\" style=\"max-width: 100% !important; height: auto !important; max-height: 600px !important; object-fit: contain !important;\"\/><\/figure>\n<h3 class=\"wp-block-heading\" id=\"h-change-the-dns-settings\">\u0110\u1ed5i c\u00e0i \u0111\u1eb7t DNS<\/h3>\n<p class=\"wp-block-paragraph\">N\u1ebfu b\u1ea1n ngh\u0129 r\u1eb1ng VPN c\u1ee7a m\u00ecnh \u0111\u00e3 thay \u0111\u1ed5i c\u00e0i \u0111\u1eb7t DNS th\u00ec c\u00f3 th\u1ec3 t\u1ef1 m\u00ecnh thay \u0111\u1ed5i ch\u00fang nh\u01b0 sau:<\/p>\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 1: M\u1edf &#8220;C\u1eeda s\u1ed5 ch\u1ea1y l\u1ec7nh&#8221; (Win + R) v\u00e0 nh\u1eadp &#8220;ncpa.cpl&#8221;, sau \u0111\u00f3 nh\u1ea5n Enter.<\/p>\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 2: Nh\u1ea5p chu\u1ed9t ph\u1ea3i v\u00e0o m\u1ea1ng b\u1ea1n \u0111ang s\u1eed d\u1ee5ng v\u00e0 ch\u1ecdn &#8220;Thi\u1ebft l\u1eadp&#8221; t\u1eeb tr\u00ecnh \u0111\u01a1n ng\u1eef c\u1ea3nh. B\u1ea1n c\u1ea7n c\u00f3 quy\u1ec1n qu\u1ea3n tr\u1ecb vi\u00ean.<\/p>\n<figure class=\"wp-block-image size-full\"><img alt=\"Why Is Outlook Clashing With My VPN 3\" class=\"wp-image-450154 perfmatters-lazy\" data-sizes=\"(max-width: 1280px) 100vw, 1280px\" decoding=\"async\" src=\"https:\/\/tct.vn\/blog\/wp-content\/uploads\/2026\/06\/Why-Is-Outlook-Clashing-With-My-VPN-3.jpg\" style=\"max-width: 100% !important; height: auto !important; max-height: 600px !important; object-fit: contain !important;\"\/><\/figure>\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 3: Ch\u1ecdn &#8220;Internet Protocol Version 4 (TCP\/Pv4)&#8221; v\u00e0 nh\u1ea5p v\u00e0o &#8220;Th\u00e0nh ph\u1ea7n&#8221;.<\/p>\n<figure class=\"wp-block-image size-full\"><img alt=\"Why Is Outlook Clashing With My VPN 4\" class=\"wp-image-450155 perfmatters-lazy\" data-sizes=\"(max-width: 1280px) 100vw, 1280px\" decoding=\"async\" src=\"https:\/\/tct.vn\/blog\/wp-content\/uploads\/2026\/06\/Why-Is-Outlook-Clashing-With-My-VPN-4.jpg\" style=\"max-width: 100% !important; height: auto !important; max-height: 600px !important; object-fit: contain !important;\"\/><\/figure>\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 4: Ch\u1ecdn &#8220;S\u1eed d\u1ee5ng \u0111\u1ecba ch\u1ec9 DNS sau&#8221; v\u00e0 nh\u1eadp &#8220;8.8.8.8&#8221; v\u00e0 &#8220;8.8.4.4&#8221; l\u1ea7n l\u01b0\u1ee3t.<\/p>\n<figure class=\"wp-block-image size-full\"><img alt=\"Why Is Outlook Clashing With My VPN 5\" class=\"wp-image-450156 perfmatters-lazy\" data-sizes=\"(max-width: 508px) 100vw, 508px\" decoding=\"async\" src=\"https:\/\/tct.vn\/blog\/wp-content\/uploads\/2026\/06\/Why-Is-Outlook-Clashing-With-My-VPN-5.jpg\" style=\"max-width: 100% !important; height: auto !important; max-height: 600px !important; object-fit: contain !important;\"\/><\/figure>\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 5: Nh\u1ea5n &#8220;OK&#8221; \u0111\u1ec3 ho\u00e0n t\u1ea5t v\u00e0 th\u1eed Outlook l\u1ea1i.<\/p>\n<div class=\"daexthefup-container daexthefup-layout-side-by-side daexthefup-alignment-left\" data-post-id=\"450150\" id=\"daexthefup-container\">\n<p class=\"daexthefup-successful-submission-text\">C\u1ea3m \u01a1n b\u1ea1n \u0111\u00e3 g\u00f3p \u00fd!<\/p>\n<\/div>\n<\/div>\n<\/div>\n<p><\/body><\/html><\/p>\n<hr style=\"margin-top:2em;\"\/>\n<p style=\"font-size:0.9em; color:#888; text-align:right; font-style:italic;\">Ngu\u1ed3n: Feeds.guidingtech<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Quick Tips H\u00e0ng lo\u1ea1t l\u00fd do khi\u1ebfn Outlook v\u00e0 VPN xung \u0111\u1ed9t v\u1edbi nhau, ch\u1ee7 y\u1ebfu l\u00e0 do ch\u1eb7n c\u1ed5ng v\u00e0 thi\u1ebft l\u1eadp t\u00ean mi\u1ec1n (DNS). N\u00ean \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u1ea3 hai \u0111\u1ec1u \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt \u0111\u1ea7y \u0111\u1ee7 v\u00e0 ph\u1ea7n m\u1ec1m di\u1ec7t virus kh\u00f4ng \u0111\u00e1nh d\u1ea5u b\u1ea5t c\u1ee9 m\u1ed9t trong s\u1ed1 ch\u00fang. Thay \u0111\u1ed5i m\u00e1y [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":12660,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[507,506],"tags":[],"class_list":["post-12665","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghe","category-thu-thuat"],"_links":{"self":[{"href":"https:\/\/tct.vn\/blog\/wp-json\/wp\/v2\/posts\/12665","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tct.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tct.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tct.vn\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tct.vn\/blog\/wp-json\/wp\/v2\/comments?post=12665"}],"version-history":[{"count":0,"href":"https:\/\/tct.vn\/blog\/wp-json\/wp\/v2\/posts\/12665\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tct.vn\/blog\/wp-json\/wp\/v2\/media\/12660"}],"wp:attachment":[{"href":"https:\/\/tct.vn\/blog\/wp-json\/wp\/v2\/media?parent=12665"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tct.vn\/blog\/wp-json\/wp\/v2\/categories?post=12665"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tct.vn\/blog\/wp-json\/wp\/v2\/tags?post=12665"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}