{"id":2384,"date":"2026-03-13T18:25:02","date_gmt":"2026-03-13T16:25:02","guid":{"rendered":"https:\/\/www.ludovicocaldara.net\/dba\/?p=2384"},"modified":"2026-03-13T18:25:02","modified_gmt":"2026-03-13T16:25:02","slug":"dg26ai-validate-dgconnectidentifier","status":"publish","type":"post","link":"https:\/\/www.ludovicocaldara.net\/dba\/dg26ai-validate-dgconnectidentifier\/","title":{"rendered":"Data Guard 26ai &#8211; #24: Validate DGConnectIdentifier"},"content":{"rendered":"<p dir=\"auto\"><a href=\"https:\/\/www.ludovicocaldara.net\/dba\/dg-26ai-series\/\">This post is part of a blog series.<\/a><\/p>\n<p dir=\"auto\">Each Oracle release makes setup easier, but configuring naming resolution and authentication for Data Guard is still a challenging step. Editing files like tnsnames.ora and sqlnet.ora remains tedious, even with LDAP (recommended) or EZConnect. Automation tools like Puppet, Ansible, or cloud solutions help, but aren\u2019t always in place.<\/p>\n<p dir=\"auto\">For Data Guard, accurate naming resolution and authentication are crucial for successful broker connections. The DGConnectIdentifier property defines the main connection string.<\/p>\n<p dir=\"auto\">Data Guard 26ai introduces the <a href=\"https:\/\/docs.oracle.com\/en\/database\/oracle\/oracle-database\/26\/dgbkr\/validate-dgconnectidentifier.html\">VALIDATE DGConnectIdentifier<\/a> command, which tests connectivity, including credentials, from each instance to every member.<\/p>\n<p dir=\"auto\"><a href=\"https:\/\/www.ludovicocaldara.net\/dba\/wp-content\/uploads\/2026\/01\/dg26ai-validate-dgconnectidentifier-scaled.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-2385\" src=\"https:\/\/www.ludovicocaldara.net\/dba\/wp-content\/uploads\/2026\/01\/dg26ai-validate-dgconnectidentifier-1024x447.png\" alt=\"The execution of validate dgconnectidentifier succeeds and show that the network and password configuration is healthy\" width=\"584\" height=\"255\" srcset=\"https:\/\/www.ludovicocaldara.net\/dba\/wp-content\/uploads\/2026\/01\/dg26ai-validate-dgconnectidentifier-1024x447.png 1024w, https:\/\/www.ludovicocaldara.net\/dba\/wp-content\/uploads\/2026\/01\/dg26ai-validate-dgconnectidentifier-300x131.png 300w, https:\/\/www.ludovicocaldara.net\/dba\/wp-content\/uploads\/2026\/01\/dg26ai-validate-dgconnectidentifier-768x336.png 768w, https:\/\/www.ludovicocaldara.net\/dba\/wp-content\/uploads\/2026\/01\/dg26ai-validate-dgconnectidentifier-1536x671.png 1536w, https:\/\/www.ludovicocaldara.net\/dba\/wp-content\/uploads\/2026\/01\/dg26ai-validate-dgconnectidentifier-2048x895.png 2048w, https:\/\/www.ludovicocaldara.net\/dba\/wp-content\/uploads\/2026\/01\/dg26ai-validate-dgconnectidentifier-500x218.png 500w\" sizes=\"auto, (max-width: 584px) 100vw, 584px\" \/><\/a><\/p>\n<p dir=\"auto\">This proactive check helps you avoid errors like ORA-01017 and ORA-12514 during operations such as SWITCHOVER. Unlike earlier manual sqlplus checks, this command verifies connections using the actual database environment, offering true validation from the connecting database.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Validate Data Guard connections easily in 26ai: use VALIDATE DGConnectIdentifier to check each member\u2019s connectivity and prevent common errors. <a href=\"https:\/\/www.ludovicocaldara.net\/dba\/dg26ai-validate-dgconnectidentifier\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[375,329],"tags":[],"class_list":["post-2384","post","type-post","status-publish","format-standard","hentry","category-oracle-ai-database-26ai","category-oracle-dg"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ludovicocaldara.net\/dba\/wp-json\/wp\/v2\/posts\/2384","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ludovicocaldara.net\/dba\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ludovicocaldara.net\/dba\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ludovicocaldara.net\/dba\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ludovicocaldara.net\/dba\/wp-json\/wp\/v2\/comments?post=2384"}],"version-history":[{"count":2,"href":"https:\/\/www.ludovicocaldara.net\/dba\/wp-json\/wp\/v2\/posts\/2384\/revisions"}],"predecessor-version":[{"id":2451,"href":"https:\/\/www.ludovicocaldara.net\/dba\/wp-json\/wp\/v2\/posts\/2384\/revisions\/2451"}],"wp:attachment":[{"href":"https:\/\/www.ludovicocaldara.net\/dba\/wp-json\/wp\/v2\/media?parent=2384"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ludovicocaldara.net\/dba\/wp-json\/wp\/v2\/categories?post=2384"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ludovicocaldara.net\/dba\/wp-json\/wp\/v2\/tags?post=2384"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}