{"id":29965,"date":"2017-03-11T13:14:53","date_gmt":"2017-03-11T20:14:53","guid":{"rendered":"https:\/\/virtual-dba.com\/?p=29965"},"modified":"2021-03-26T10:07:13","modified_gmt":"2021-03-26T17:07:13","slug":"ora-12560-tns-protocol-adapter-error","status":"publish","type":"post","link":"https:\/\/virtual-dba.com\/blog\/ora-12560-tns-protocol-adapter-error\/","title":{"rendered":"How to Fix ORA-12560: TNS: Protocol Adapter Error"},"content":{"rendered":"

When you see this ORA-12560 error on Windows, you need to check these two things before anything else.<\/p>\n

    \n
  1. \n
      \n
    1. Make sure the windows service is up and running
      \n\"ORA-12560<\/li>\n
    2. Make sure your ORACLE_SID is set to the instance name you’re trying to connect to\n
        If either one or two are not correct you will get the error as seen below.<\/ol>\n<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n

        \"Oracle<\/p>\n

        This post has been updated, learn more here.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

        When you see this ORA-12560 error on Windows, you need to check these two things before anything else. Make sure the windows service is up and running Make sure your ORACLE_SID is set to the instance name you’re trying to connect to If either one or two are not correct you will get the error […]<\/p>\n","protected":false},"author":3,"featured_media":30234,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","content-type":"","footnotes":""},"categories":[4166,23],"tags":[1149],"class_list":["post-29965","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-oracle","tag-oracle-error"],"yoast_head":"\nHow to Fix ORA-12560: TNS: Protocol Adapter Error<\/title>\n<meta name=\"description\" content=\"Quick learn how to fix Oracle Database ORA-12560: TNS: Protocol Adapter Error from our top Oracle DBA experts at Virtual-DBA.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/virtual-dba.com\/blog\/ora-12560-tns-protocol-adapter-error\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Fix ORA-12560: TNS: Protocol Adapter Error\" \/>\n<meta property=\"og:description\" content=\"Quick learn how to fix Oracle Database ORA-12560: TNS: Protocol Adapter Error from our top Oracle DBA experts at Virtual-DBA.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/virtual-dba.com\/blog\/ora-12560-tns-protocol-adapter-error\/\" \/>\n<meta property=\"og:site_name\" content=\"Virtual-DBA Remote DBA Services & Support - 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