{"id":229,"date":"2026-10-07T15:47:04","date_gmt":"2026-10-07T13:47:04","guid":{"rendered":"https:\/\/datenquelle.at\/?page_id=229"},"modified":"2026-10-08T07:08:04","modified_gmt":"2026-10-08T05:08:04","slug":"database-access-ssl-certificate-error","status":"publish","type":"page","link":"https:\/\/en.datenquelle.at\/index.php\/database-access-ssl-certificate-error\/","title":{"rendered":"Database access: SSL certificate error"},"content":{"rendered":"<div class=\"et_pb_section_0 et_pb_section et_section_regular et_flex_section\">\n<div class=\"et_pb_row_0 et_pb_row et_flex_row\">\n<div class=\"et_pb_column_0 et_pb_column et-last-child et_flex_column et_pb_css_mix_blend_mode_passthrough et_flex_column_24_24 et_flex_column_24_24_tablet et_flex_column_24_24_phone\">\n<div class=\"et_pb_code_0 et_pb_code et_pb_module\"><div class=\"et_pb_code_inner\"><section class=\"dq-section dq-help-hero\" id=\"dq-main\"><div class=\"dq-wrap\"><nav class=\"dq-breadcrumbs\" aria-label=\"Breadcrumb navigation\"><a href=\"https:\/\/en.datenquelle.at\/\">Home<\/a><span>\/<\/span><a href=\"https:\/\/en.datenquelle.at\/index.php\/errors-solutions-for-your-data\/\">Errors & solutions<\/a><span>\/<\/span><a href=\"https:\/\/en.datenquelle.at\/index.php\/errors-solutions-for-your-data\/#datenbank\">Database access<\/a><\/nav><p class=\"dq-eyebrow\"><span class=\"dq-dot\" aria-hidden=\"true\"><\/span>Database access<\/p><h1>Database access fails due to an SSL certificate error<\/h1><p class=\"dq-lead\">A connection can be encrypted and still fail because the server certificate cannot be verified reliably. \u201cCertificate verify failed\u201d or an untrusted certificate chain concern verification of the remote endpoint. Changing a password does not automatically fix this.<\/p><ol class=\"dq-help-flow\" aria-label=\"Data path and checkpoint\"><li><span>Source<\/span><strong>Client & Driver<\/strong><\/li><li class=\"is-checkpoint\"><span>Check the connection<\/span><strong>Check the certificate<\/strong><\/li><li><span>Destination<\/span><strong>Database server<\/strong><\/li><\/ol><\/div><\/section><\/div><\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"et_pb_section_1 et_pb_section et_section_regular et_flex_section\">\n<div class=\"et_pb_row_1 et_pb_row et_flex_row\">\n<div class=\"et_pb_column_1 et_pb_column et-last-child et_flex_column et_pb_css_mix_blend_mode_passthrough et_flex_column_24_24 et_flex_column_24_24_tablet et_flex_column_24_24_phone\">\n<div class=\"et_pb_code_1 et_pb_code et_pb_module\"><div class=\"et_pb_code_inner\"><section class=\"dq-section dq-help-body\"><div class=\"dq-wrap\"><div class=\"dq-help-layout\"><article class=\"dq-help-article\"><section class=\"dq-help-situation\"><h2>How this appears in daily operation<\/h2><p>After a driver update, the ERP no longer connects even though the server and account appear unchanged. Microsoft ODBC Driver 18 and later enable encryption by default. This can reveal previously unnoticed certificate problems.<\/p><\/section><section id=\"ursachen\"><h2>Distinguish typical causes<\/h2><div class=\"dq-help-causes\"><div><h3>Trust chain missing<\/h3><p>The client may not recognize the issuing certification authority or may not receive a complete chain.<\/p><\/div><div><h3>Different server name<\/h3><p>The address used may differ from the expected name in the certificate, for example after renaming or when connecting through an IP address.<\/p><\/div><div><h3>Changed connection requirements<\/h3><p>A new driver or environment may impose different encryption and certificate verification requirements.<\/p><\/div><\/div><\/section><section id=\"pruefen\"><h2>What you can check first<\/h2><ol class=\"dq-help-checks\"><li><h3>Record the exact certificate error<\/h3><p>Distinguish a chain error from a name error. Record the driver version and last change.<\/p><\/li><li><h3>Compare the address with the approved configuration<\/h3><p>Check whether the application still uses the intended server name. Passwords do not belong in the checklist.<\/p><\/li><li><h3>Clarify responsibility<\/h3><p>Who manages the server certificate and client trust? Existing certificate information and expiry dates may be inspected; production settings initially remain unchanged.<\/p><\/li><\/ol><\/section><section id=\"tiefer\"><h2>When the problem runs deeper<\/h2><p>Skipping certificate verification does not resolve the trust issue. The appropriate approach depends on the actual server certificate, permitted names and environment. We also check which other applications require the same connection.<\/p><div class=\"dq-help-details\"><details><summary>Encryption and trust are two separate checks<\/summary><p>Encryption protects data in transit. Certificate verification helps identify the correct remote endpoint. Both are planned as part of a reliable connection. An unchanged error after a password change is therefore a good reason to examine the stages separately.<\/p><\/details><details><summary>From an isolated error to a maintained connection<\/summary><p>If access must be improvised after every update, documented responsibilities are often missing. We record connection requirements, certificate maintenance and an appropriate test process, making the next change more predictable.<\/p><\/details><\/div><\/section><section id=\"weiter\"><h2>When support makes sense<\/h2><p>Support is useful when multiple clients are affected, the previous operator is unavailable or certificate maintenance is unclear. The exact error text and components involved are enough for an initial assessment.<\/p><a class=\"dq-help-service\" href=\"https:\/\/en.datenquelle.at\/index.php\/connect-systems\/\"><span>The right solution path<\/span><strong>Connect system access transparently<\/strong><span class=\"dq-ui-arrow\" aria-hidden=\"true\"><\/span><\/a><aside class=\"dq-help-cross\"><p>For certificates, Windows trust, security or server operation, DAXS is the appropriate further IT resource.<\/p><a href=\"https:\/\/daxs.com\/\" rel=\"noopener\">Further support from DAXS<span class=\"dq-ui-external\" aria-hidden=\"true\"><\/span><\/a><\/aside><\/section><section class=\"dq-help-sources\"><h2>Sources for technical assessment<\/h2><ul><li><a href=\"https:\/\/learn.microsoft.com\/en-us\/sql\/connect\/odbc\/connection-troubleshooting?view=sql-server-ver17\" rel=\"noopener\">Microsoft: Encryption and certificate errors in the ODBC driver<\/a><\/li><\/ul><p>Technical content reviewed on 7 October 2026. Vendor statements refer to the products named; they do not replace checking your specific configuration.<\/p><\/section><\/article><aside class=\"dq-help-toc\"><nav aria-label=\"On this help page\"><span class=\"dq-kicker\">On this page<\/span><a href=\"#ursachen\">Typical causes<\/a><a href=\"#pruefen\">Initial checks<\/a><a href=\"#tiefer\">Technical relationships<\/a><a href=\"#weiter\">Suitable solution path<\/a><\/nav><div><span class=\"dq-kicker\">Related problems<\/span><a href=\"https:\/\/en.datenquelle.at\/index.php\/sql-server-connection-failed\/\">SQL Server: connection failed<\/a><a href=\"https:\/\/en.datenquelle.at\/index.php\/mysql-connection-disrupted-after-an-update\/\">MySQL connection disrupted after an update<\/a><a href=\"https:\/\/en.datenquelle.at\/index.php\/errors-solutions-for-your-data\/\">To the topic overview<\/a><\/div><\/aside><\/div><\/div><\/section><\/div><\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"et_pb_section_2 et_pb_section et_section_regular et_flex_section\">\n<div class=\"et_pb_row_2 et_pb_row et_flex_row\">\n<div class=\"et_pb_column_2 et_pb_column et-last-child et_flex_column et_pb_css_mix_blend_mode_passthrough et_flex_column_24_24 et_flex_column_24_24_tablet et_flex_column_24_24_phone\">\n<div class=\"et_pb_code_2 et_pb_code et_pb_module\"><div class=\"et_pb_code_inner\"><section class=\"dq-section dq-help-contact-section\"><div class=\"dq-wrap\"><div class=\"dq-help-contact\"><div><h2>Clarify the next step together.<\/h2><p>Your application names and a brief description of the problem are enough to start.<\/p><\/div><a class=\"dq-button\" href=\"https:\/\/en.datenquelle.at\/index.php\/discuss-your-data-challenge\/\" aria-haspopup=\"dialog\" aria-controls=\"dq-booking-modal\" data-dq-booking>Book an initial consultation<\/a><\/div><\/div><\/section><\/div><\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Understand certificate errors in database connections: distinguish trust chains, server names and driver changes without indiscriminately disabling encryption.<\/p>\n","protected":false},"author":2,"featured_media":204,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-229","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/en.datenquelle.at\/index.php\/wp-json\/wp\/v2\/pages\/229","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/en.datenquelle.at\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/en.datenquelle.at\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/en.datenquelle.at\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/en.datenquelle.at\/index.php\/wp-json\/wp\/v2\/comments?post=229"}],"version-history":[{"count":4,"href":"https:\/\/en.datenquelle.at\/index.php\/wp-json\/wp\/v2\/pages\/229\/revisions"}],"predecessor-version":[{"id":309,"href":"https:\/\/en.datenquelle.at\/index.php\/wp-json\/wp\/v2\/pages\/229\/revisions\/309"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/en.datenquelle.at\/index.php\/wp-json\/wp\/v2\/media\/204"}],"wp:attachment":[{"href":"https:\/\/en.datenquelle.at\/index.php\/wp-json\/wp\/v2\/media?parent=229"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}