{"id":2339,"date":"2018-12-25T18:01:23","date_gmt":"2018-12-25T11:01:23","guid":{"rendered":"http:\/\/help.sme2019.misa.local\/?post_type=ht_kb&#038;p=2339"},"modified":"2025-10-28T09:12:19","modified_gmt":"2025-10-28T02:12:19","slug":"lam_the_nao_khi_bi_mat_ket_noi_voi_may_chu","status":"publish","type":"ht_kb","link":"https:\/\/helpsme.misa.vn\/2026\/kb\/lam_the_nao_khi_bi_mat_ket_noi_voi_may_chu\/","title":{"rendered":"L\u00e0m th\u1ebf n\u00e0o khi m\u00e1y tr\u1ea1m \u0111ang l\u00e0m vi\u1ec7c th\u00ec ch\u01b0\u01a1ng tr\u00ecnh th\u00f4ng b\u00e1o M\u1ea5t k\u1ebft n\u1ed1i v\u1edbi m\u00e1y ch\u1ee7?"},"content":{"rendered":"<p><span style=\"font-size: 12pt;\"><em><span style=\"color: #ff0000;\">Kh\u1ea3o s\u00e1t: sau khi \u0111\u1ecdc v\u00e0 th\u1ef1c hi\u1ec7n theo t\u00e0i li\u1ec7u, Anh\/Ch\u1ecb vui l\u00f2ng cho<em class=\"Highlight\">\u00a0MISA\u00a0<\/em>bi\u1ebft c\u00f3 x\u1eed l\u00fd \u0111\u01b0\u1ee3c v\u1ea5n \u0111\u1ec1 theo t\u00e0i li\u1ec7u n\u00e0y kh\u00f4ng, qua kh\u1ea3o s\u00e1t nhanh <a href=\"https:\/\/docs.google.com\/forms\/d\/1CaHyCdf0I7lA3WnwO6XHQD1ZwZWvpJdBJBZgsoD9PuE\/edit\">T\u1ea1i \u0111\u00e2y<\/a><\/span><\/em><\/span><\/p>\n<div class=\"su-accordion su-u-trim\">\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span><\/p>\n<h3><strong>1. T\u1ed5ng quan<\/strong><\/h3>\n<p><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<p><strong>M\u1ee5c \u0111\u00edch:<\/strong> B\u00e0i vi\u1ebft n\u00e0y gi\u00fap ng\u01b0\u1eddi d\u00f9ng nh\u1eadn bi\u1ebft v\u00e0 kh\u1eafc ph\u1ee5c nhanh c\u00e1c nguy\u00ean nh\u00e2n khi\u1ebfn m\u00e1y tr\u1ea1m b\u1ecb m\u1ea5t k\u1ebft n\u1ed1i v\u1edbi m\u00e1y ch\u1ee7 khi l\u00e0m vi\u1ec7c tr\u00ean ph\u1ea7n m\u1ec1m k\u1ebf to\u00e1n, \u0111\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh truy c\u1eadp v\u00e0 x\u1eed l\u00fd d\u1eef li\u1ec7u kh\u00f4ng b\u1ecb gi\u00e1n \u0111o\u1ea1n.<\/p>\n<p><span style=\"font-size: 12pt;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-34021\" src=\"\/2026\/wp-content\/uploads\/2023\/11\/matkn.jpg\" alt=\"\" width=\"500\" height=\"191\" srcset=\"\/2026\/wp-content\/uploads\/2023\/11\/matkn.jpg 500w, \/2026\/wp-content\/uploads\/2023\/11\/matkn-50x19.jpg 50w, \/2026\/wp-content\/uploads\/2023\/11\/matkn-60x23.jpg 60w, \/2026\/wp-content\/uploads\/2023\/11\/matkn-100x38.jpg 100w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/span><\/p>\n<p><strong>N\u1ed9i dung b\u00e0i vi\u1ebft g\u1ed3m:<\/strong><\/p>\n<ul>\n<li>Nh\u1eadn di\u1ec7n nguy\u00ean nh\u00e2n m\u1ea5t k\u1ebft n\u1ed1i gi\u1eefa m\u00e1y tr\u1ea1m v\u00e0 m\u00e1y ch\u1ee7<\/li>\n<li>H\u01b0\u1edbng d\u1eabn ki\u1ec3m tra, kh\u1eafc ph\u1ee5c theo t\u1eebng nguy\u00ean nh\u00e2n<\/li>\n<li>L\u01b0u \u00fd v\u1ec1 b\u1ea3o m\u1eadt v\u00e0 ghi nh\u1edb m\u1eadt kh\u1ea9u k\u1ebft n\u1ed1i<\/li>\n<\/ul>\n<p><strong>Ph\u1ea1m vi \u00e1p d\u1ee5ng:<\/strong> D\u00e0nh cho k\u1ebf to\u00e1n, nh\u00e2n vi\u00ean IT v\u00e0 ng\u01b0\u1eddi d\u00f9ng ph\u1ea7n m\u1ec1m k\u1ebf to\u00e1n l\u00e0m vi\u1ec7c tr\u00ean m\u00e1y tr\u1ea1m trong h\u1ec7 th\u1ed1ng m\u1ea1ng n\u1ed9i b\u1ed9 doanh nghi\u1ec7p.<\/p>\n<\/div><\/div>\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span><\/p>\n<h3><strong>2. C\u00e1ch x\u1eed l\u00fd<\/strong><\/h3>\n<p><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<p><span style=\"font-size: 12pt;\">C\u00f3 th\u1ec3 ki\u1ec3m tra theo c\u00e1c nguy\u00ean nh\u00e2n nh\u01b0 sau:<\/span><\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 100%;\"><span style=\"font-size: 12pt;\"><\/div><\/div>\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span><\/span><\/p>\n<h4><strong>Nguy\u00ean nh\u00e2n 1: M\u00e1y ch\u1ee7 b\u1ecb t\u1eaft ho\u1eb7c M\u00e1y ch\u1ee7 SQL Server \u0111ang ng\u1eebng ho\u1ea1t \u0111\u1ed9ng<\/strong><\/h4>\n<p><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<p><span style=\"font-size: 12pt;\"><strong>Gi\u1ea3i ph\u00e1p<\/strong>: <\/span>Ki\u1ec3m tra xem m\u00e1y t\u00ednh l\u00e0m m\u00e1y ch\u1ee7 c\u00f3 \u0111ang b\u1ecb t\u1eaft kh\u00f4ng?<\/p>\n<p><span style=\"color: #000000;\"><strong>B\u01b0\u1edbc 1: N\u1ebfu m\u00e1y ch\u1ee7 \u0111ang b\u1ecb t\u1eaft <\/strong>th\u00ec ng\u01b0\u1eddi d\u00f9ng c\u1ea7n kh\u1edfi \u0111\u1ed9ng m\u00e1y ch\u1ee7.<\/span><\/p>\n<p><strong>B\u01b0\u1edbc 2: N\u1ebfu m\u00e1y ch\u1ee7 v\u1eabn \u0111ang m\u1edf <\/strong><span style=\"color: #000000;\">th\u00ec x\u1eed l\u00fd nh\u01b0 sau:<\/span><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul style=\"list-style-type: circle;\">\n<li>T\u1eeb phi\u00ean b\u1ea3n<strong> SME 2023 R17 tr\u1edf v\u1ec1 tr\u01b0\u1edbc<\/strong>, ng\u01b0\u1eddi d\u00f9ng c\u1ea7n ki\u1ec3m tra xem\u00a0<b>SQL Server<\/b>\u00a0c\u00f3 \u0111ang ng\u1eebng ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng \u0111\u1ec3 b\u1eadt l\u1ea1i theo h\u01b0\u1edbng d\u1eabn\u00a0<a class=\"externalLink\" href=\"https:\/\/helpsme.misa.vn\/2026\/kb\/lam-the-nao-khi-may-tram-khong-vao-duoc-du-lieu-may-chu-do-sql-server-browser-dang-ngung-hoat-dong\/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><b>t\u1ea1i \u0111\u00e2y <\/b><\/a>th\u00ec c\u00e1c m\u00e1y tr\u1ea1m m\u1edbi c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c l\u00e0m vi\u1ec7c \u0111\u01b0\u1ee3c.<\/li>\n<li>T\u1eeb phi\u00ean b\u1ea3n<strong> SME 2023 R18 tr\u1edf \u0111i:<\/strong>\n<ul style=\"list-style-type: disc;\">\n<li><strong>N\u1ebfu m\u00e1y b\u1ea1n l\u00e0 m\u00e1y ch\u1ee7<\/strong>: V\u00e0o menu <strong>Tr\u1ee3 gi\u00fap<\/strong>, ch\u1ecdn ch\u1ee9c n\u0103ng <strong>Kh\u1edfi \u0111\u1ed9ng l\u1ea1i Service SQL<\/strong> \u0111\u1ec3 kh\u1edfi \u0111\u1ed9ng l\u1ea1i SQL<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-34070\" src=\"\/2026\/wp-content\/uploads\/2023\/11\/kd_1.jpg\" alt=\"\" width=\"959\" height=\"817\" srcset=\"\/2026\/wp-content\/uploads\/2023\/11\/kd_1.jpg 959w, \/2026\/wp-content\/uploads\/2023\/11\/kd_1-700x596.jpg 700w, \/2026\/wp-content\/uploads\/2023\/11\/kd_1-800x682.jpg 800w, \/2026\/wp-content\/uploads\/2023\/11\/kd_1-768x654.jpg 768w, \/2026\/wp-content\/uploads\/2023\/11\/kd_1-50x43.jpg 50w, \/2026\/wp-content\/uploads\/2023\/11\/kd_1-60x51.jpg 60w, \/2026\/wp-content\/uploads\/2023\/11\/kd_1-100x85.jpg 100w\" sizes=\"auto, (max-width: 959px) 100vw, 959px\" \/><\/li>\n<li><strong>N\u1ebfu m\u00e1y b\u1ea1n l\u00e0 m\u00e1y tr\u1ea1m:<\/strong> \u0110\u0103ng nh\u1eadp v\u00e0o m\u00e1y ch\u1ee7 \u0111\u1ec3 kh\u1edfi \u0111\u1ed9ng l\u1ea1i Service SQL.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-size: 12pt;\"><\/div><\/div>\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span><\/span><\/p>\n<h4><strong>Nguy\u00ean nh\u00e2n 2: M\u1ea5t k\u1ebft n\u1ed1i trong m\u1ea1ng LAN<\/strong><\/h4>\n<p><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<p><b>C\u00e1ch ki\u1ec3m tra m\u1ea1ng Lan:\u00a0<\/b>Ki\u1ec3m tra m\u1ea1ng Lan theo h\u01b0\u1edbng d\u1eabn<b>\u00a0<a class=\"externalLink\" href=\"\/2026\/kb\/lam-the-nao-de-kiem-tra-may-tram-co-ket-noi-mang-lan-toi-may-chu-hay-khong\/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">t\u1ea1i \u0111\u00e2y.<\/a><\/b><\/p>\n<p><b>Gi\u1ea3i ph\u00e1p:\u00a0<\/b>N\u1ebfu b\u1ecb m\u1ea5t k\u1ebft n\u1ed1i m\u1ea1ng Lan trong h\u1ec7 th\u1ed1ng th\u00ec <b>Li\u00ean h\u1ec7 v\u1edbi IT (Qu\u1ea3n tr\u1ecb m\u1ea1ng)<\/b>\u00a0c\u1ee7a Doanh nghi\u1ec7p \u0111\u1ec3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd, \u0111\u1ea3m b\u00e1o k\u1ebft n\u1ed1i m\u1ea1ng\u00a0<b>LAN<\/b> \u1ed5n \u0111\u1ecbnh.<\/p>\n<p><span style=\"font-size: 12pt;\"><\/div><\/div>\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span><\/span><\/p>\n<h4><strong>Nguy\u00ean nh\u00e2n 3: M\u00e1y ch\u1ee7 thay \u0111\u1ed5i m\u1eadt kh\u1ea9u c\u1ee7a t\u00e0i kho\u1ea3n k\u1ebft n\u1ed1i SQL Server<\/strong><\/h4>\n<p><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<p><strong>Gi\u1ea3i ph\u00e1p:<\/strong><\/p>\n<p><strong>B\u01b0\u1edbc 1:<\/strong> Li\u00ean h\u1ec7 v\u1edbi m\u00e1y ch\u1ee7 \u0111\u1ec3 l\u1ea5y l\u1ea1i m\u1eadt kh\u1ea9u c\u1ee7a t\u00e0i kho\u1ea3n k\u1ebft n\u1ed1i SQL Server m\u1edbi thay \u0111\u1ed5i (trong khi m\u00e1y tr\u1ea1m \u0111ang k\u1ebft n\u1ed1i v\u00e0o m\u00e1y ch\u1ee7 \u0111\u1ec3 l\u00e0m vi\u1ec7c).<\/p>\n<p style=\"padding-left: 40px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-29161\" src=\"\/2026\/wp-content\/uploads\/2018\/12\/37-3.png\" alt=\"\" width=\"925\" height=\"777\" srcset=\"\/2026\/wp-content\/uploads\/2018\/12\/37-3.png 925w, \/2026\/wp-content\/uploads\/2018\/12\/37-3-700x588.png 700w, \/2026\/wp-content\/uploads\/2018\/12\/37-3-800x672.png 800w, \/2026\/wp-content\/uploads\/2018\/12\/37-3-768x645.png 768w, \/2026\/wp-content\/uploads\/2018\/12\/37-3-50x42.png 50w, \/2026\/wp-content\/uploads\/2018\/12\/37-3-60x50.png 60w, \/2026\/wp-content\/uploads\/2018\/12\/37-3-100x84.png 100w\" sizes=\"auto, (max-width: 925px) 100vw, 925px\" \/><\/p>\n<p><strong>B\u01b0\u1edbc 2:<\/strong> Tho\u00e1t ch\u01b0\u01a1ng tr\u00ecnh ra v\u00e0 \u0111\u0103ng nh\u1eadp l\u1ea1i.<\/p>\n<p><em><strong>L\u01b0u \u00fd<\/strong>: Ch\u01b0\u01a1ng tr\u00ecnh s\u1ebd t\u1ef1 \u0111\u1ed9ng ghi nh\u1edb m\u1eadt kh\u1ea9u n\u00e0y, t\u1eeb l\u1ea7n \u0111\u0103ng nh\u1eadp sau, m\u00e1y tr\u1ea1m kh\u00f4ng c\u1ea7n nh\u1eadp l\u1ea1i\u00a0<strong>M\u1eadt kh\u1ea9u SQL<\/strong><\/em>.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-size: 12pt;\"><!-- Toggle Panel includes heading and body section that expands when clicked.--><\/span><\/p>\n<p><span style=\"font-size: 12pt;\"><!-- Toggle Panel includes heading and body section that expands when clicked.--><\/span><\/p>\n<p><span style=\"font-size: 12pt;\"><!-- Toggle Panel includes heading and body section that expands when clicked.--><\/span><\/p>\n<\/div><\/div>\n<\/div>\n<p><span style=\"font-size: 12pt;\"><em><span style=\"color: #ff0000;\">Kh\u1ea3o s\u00e1t: sau khi \u0111\u1ecdc v\u00e0 th\u1ef1c hi\u1ec7n theo t\u00e0i li\u1ec7u, Anh\/Ch\u1ecb vui l\u00f2ng cho<em class=\"Highlight\">\u00a0MISA\u00a0<\/em>bi\u1ebft c\u00f3 x\u1eed l\u00fd \u0111\u01b0\u1ee3c v\u1ea5n \u0111\u1ec1 theo t\u00e0i li\u1ec7u n\u00e0y kh\u00f4ng, qua kh\u1ea3o s\u00e1t nhanh <a href=\"https:\/\/docs.google.com\/forms\/d\/1CaHyCdf0I7lA3WnwO6XHQD1ZwZWvpJdBJBZgsoD9PuE\/edit\">T\u1ea1i \u0111\u00e2y<\/a><\/span><\/em><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kh\u1ea3o s\u00e1t: sau khi \u0111\u1ecdc v\u00e0 th\u1ef1c hi\u1ec7n theo t\u00e0i li\u1ec7u, Anh\/Ch\u1ecb vui l\u00f2ng cho\u00a0MISA\u00a0bi\u1ebft c\u00f3 x\u1eed l\u00fd \u0111\u01b0\u1ee3c v\u1ea5n \u0111\u1ec1 theo t\u00e0i li\u1ec7u n\u00e0y kh\u00f4ng, qua kh\u1ea3o s\u00e1t nhanh T\u1ea1i \u0111\u00e2y Kh\u1ea3o s\u00e1t: sau khi \u0111\u1ecdc v\u00e0 th\u1ef1c hi\u1ec7n theo t\u00e0i li\u1ec7u, Anh\/Ch\u1ecb vui l\u00f2ng cho\u00a0MISA\u00a0bi\u1ebft c\u00f3 x\u1eed l\u00fd&#8230;<\/p>\n","protected":false},"author":120,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":{"_links_to":"","_links_to_target":"","footnotes":""},"ht-kb-category":[2618,2619,2568],"ht-kb-tag":[4005,3889],"class_list":["post-2339","ht_kb","type-ht_kb","status-publish","format-standard","hentry","ht_kb_category-cau-hoi-thuong-gap-khi-bat-dau-su-dung","ht_kb_category-dang-nhap","ht_kb_category-cau-hoi-thuong-gap","ht_kb_tag-mat-ket-noi-may-chu","ht_kb_tag-sql-server"],"_links":{"self":[{"href":"https:\/\/helpsme.misa.vn\/2026\/wp-json\/wp\/v2\/ht-kb\/2339","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/helpsme.misa.vn\/2026\/wp-json\/wp\/v2\/ht-kb"}],"about":[{"href":"https:\/\/helpsme.misa.vn\/2026\/wp-json\/wp\/v2\/types\/ht_kb"}],"author":[{"embeddable":true,"href":"https:\/\/helpsme.misa.vn\/2026\/wp-json\/wp\/v2\/users\/120"}],"replies":[{"embeddable":true,"href":"https:\/\/helpsme.misa.vn\/2026\/wp-json\/wp\/v2\/comments?post=2339"}],"version-history":[{"count":4,"href":"https:\/\/helpsme.misa.vn\/2026\/wp-json\/wp\/v2\/ht-kb\/2339\/revisions"}],"predecessor-version":[{"id":46245,"href":"https:\/\/helpsme.misa.vn\/2026\/wp-json\/wp\/v2\/ht-kb\/2339\/revisions\/46245"}],"wp:attachment":[{"href":"https:\/\/helpsme.misa.vn\/2026\/wp-json\/wp\/v2\/media?parent=2339"}],"wp:term":[{"taxonomy":"ht_kb_category","embeddable":true,"href":"https:\/\/helpsme.misa.vn\/2026\/wp-json\/wp\/v2\/ht-kb-category?post=2339"},{"taxonomy":"ht_kb_tag","embeddable":true,"href":"https:\/\/helpsme.misa.vn\/2026\/wp-json\/wp\/v2\/ht-kb-tag?post=2339"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}