{"id":243235,"date":"2025-08-19T17:44:46","date_gmt":"2025-08-20T00:44:46","guid":{"rendered":"https:\/\/virtual-dba.com\/?p=243235"},"modified":"2025-10-01T06:28:42","modified_gmt":"2025-10-01T13:28:42","slug":"how-to-resolve-em13c-handshake-has-no-peer-error","status":"publish","type":"post","link":"https:\/\/virtual-dba.com\/blog\/how-to-resolve-em13c-handshake-has-no-peer-error\/","title":{"rendered":"How to Resolve EM13c [Handshake Has No Peer] Error After Java Upgrade on OMS Server"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" id=\"h-summary\">SUMMARY:<\/h2>\n\n\n\n<p>The Oracle Enterprise Manager 13c (EM13c) &#8220;[handshake has no peer]&#8221; error, which occurs after a Java upgrade on the Oracle Management Server (OMS), is an SSL\/TLS communication failure that can be resolved by applying a specific Release Update (RU) patch.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The root cause of this handshake error is documented under Oracle Bug 33896877 and is fixed in EM13.4 Release Update 20 or EM13.5 Release Update 09.<\/li>\n\n\n\n<li>Before applying the patch, you must ensure the WebLogic Admin Server is running and that OMSPatcher and OPatch versions are up-to-date.<\/li>\n\n\n\n<li>The resolution process involves stopping the OMS and Agent, applying the appropriate RU patch using <code>omspatcher<\/code>, and then restarting all services.<\/li>\n\n\n\n<li>Applying the recommended WebLogic patch is an optional but highly suggested step to ensure system stability after the primary fix.<\/li>\n<\/ul>\n\n\n\n<p>If the error persists after applying the patch, upgrading to Oracle Enterprise Manager 13.5 is the recommended next step for its improved TLS handling capabilities.<\/p>\n\n\n\n<div class=\"wp-block-yoast-seo-table-of-contents yoast-table-of-contents\"><h2>Table of contents<\/h2><ul><li><a href=\"#h-summary\" data-level=\"2\">SUMMARY:<\/a><\/li><li><a href=\"#h-introduction\" data-level=\"2\">Introduction<\/a><\/li><li><a href=\"#h-em13c-handshake-has-no-peer-error-root-cause\" data-level=\"2\">EM13c [handshake has no peer] Error Root Cause<\/a><\/li><li><a href=\"#h-fixing-em13c-handshake-has-no-peer-error\" data-level=\"2\">Fixing EM13c [handshake has no peer] Error<\/a><ul><li><a href=\"#h-prerequisites\" data-level=\"3\">Prerequisites<\/a><\/li><li><a href=\"#h-high-level-steps-overview\" data-level=\"3\">High-Level Steps Overview<\/a><\/li><li><a href=\"#h-step-by-step-instructions\" data-level=\"3\">Step-by-Step Instructions<\/a><\/li><\/ul><\/li><li><a href=\"#h-6-apply-weblogic-patch-optional-but-recommended\" data-level=\"2\">6. Apply WebLogic Patch (Optional But Recommended)<\/a><\/li><li><a href=\"#h-8-sync-emcli-if-applicable\" data-level=\"2\">8. Sync EMCLI (if applicable)<\/a><\/li><li><a href=\"#h-conclusion\" data-level=\"2\">Conclusion<\/a><\/li><\/ul><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-introduction\">Introduction<\/h2>\n\n\n\n<p>After upgrading Java on the Oracle Management Server, you may encounter failure when testing named credentials in EM13c. The error <code>[handshake has no peer]<\/code> usually stems from misconfigured or missing certificates in the Java truststore, resulting in SSL\/TLS handshake issues. This failure disrupts communication between OMS and monitored targets, affecting jobs, monitoring, and overall system reliability.<br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-em13c-handshake-has-no-peer-error-root-cause\">EM13c [handshake has no peer] Error Root Cause<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"383\" src=\"https:\/\/virtual-dba.com\/wp-content\/uploads\/EM13c-Handshake-Has-No-Peer-Error-1024x383.png\" alt=\"EM13c Handshake Has No Peer Error\" class=\"wp-image-243242\" srcset=\"https:\/\/virtual-dba.com\/wp-content\/uploads\/EM13c-Handshake-Has-No-Peer-Error-980x367.png 980w, https:\/\/virtual-dba.com\/wp-content\/uploads\/EM13c-Handshake-Has-No-Peer-Error-480x180.png 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/figure>\n\n\n\n<p>This issue is documented under Oracle Bug 33896877. It has been resolved in:<\/p>\n\n\n\n<p>EM13.4 Release Update (RU) 20<\/p>\n\n\n\n<p>EM13.5 Release Update (RU) 09<\/p>\n\n\n\n<p>Applying the relevant RU fixes the handshake issue.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-fixing-em13c-handshake-has-no-peer-error\">Fixing EM13c [handshake has no peer] Error<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-prerequisites\">Prerequisites<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ensure the WebLogic Admin Server hosting the OMS is running.<\/li>\n\n\n\n<li>Ensure the Management Repository Database and Listener are running.<\/li>\n<\/ul>\n\n\n\n<p><strong>Required versions:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>OPatch: 13.9.4.2.5 or later<\/li>\n\n\n\n<li>OMSPatcher: 13.9.4.8.0 or later<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-high-level-steps-overview\">High-Level Steps Overview<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Check current versions<\/li>\n\n\n\n<li>Set environment variables<\/li>\n\n\n\n<li>Backup OMS and Oracle Home<\/li>\n\n\n\n<li>Stop OMS and Agent<\/li>\n\n\n\n<li>Install or update OMSPatcher and OPatch<\/li>\n\n\n\n<li>Analyze and apply RU20<\/li>\n\n\n\n<li>Apply WebLogic Patch<\/li>\n\n\n\n<li>Confirm OMS and Agent is still running<\/li>\n\n\n\n<li>Validate environment<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-step-by-step-instructions\">Step-by-Step Instructions<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-1-check-current-status\">1. Check current status:<\/h4>\n\n\n\n<p><code>OMS_HOME\/bin\/emctl status oms<br>OMS_HOME\/OPatch\/opatch lsinventory<\/code><\/p>\n\n\n\n<p><strong>Set environment variables:<\/strong><\/p>\n\n\n\n<p><code>export OMS_HOME=\/oracle\/app\/oracle\/oem_13.4<br>export AGENT_HOME=\/oracle\/app\/agent\/agent_13.4.0.0.0<br>export PATH=OMS_HOME\/OPatch:PATH<\/code><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-2-backup-homes\">2. Backup Homes<\/h4>\n\n\n\n<p><code>tar -cvf \/backup\/oms_home_backup.tar OMS_HOME<\/code><br><code>tar -cvf \/backup\/oracle_home_backup.tar ORACLE_HOME<\/code><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-3-install-omspatcher\">3. Install OMSPatcher<\/h4>\n\n\n\n<p><code>cd OMS_HOME<br>mv OMSPatcher OMSPatcher_old<\/code><\/p>\n\n\n\n<p><code><em># Unzip the new OMSPatcher package here<\/em><br>unzip p19999993_134000_Generic.zip<\/code><\/p>\n\n\n\n<p><code>OMS_HOME\/OMSPatcher\/omspatcher version<\/code><\/p>\n\n\n\n<p><strong>Analyze the patch:<\/strong><\/p>\n\n\n\n<p><code>cd OMS_HOME\/PATCH_STORAGE\/35174911<br>omspatcher apply -analyze<\/code><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-4-install-opatch\">4. Install OPatch<\/h4>\n\n\n\n<p><code>cd OMS_HOME<br>unzip p28186730_1394210_Generic.zip<\/code><\/p>\n\n\n\n<p><strong>Stop OMS and Agent:<\/strong><\/p>\n\n\n\n<p><code>AGENT_HOME\/bin\/emctl stop agent<br>OMS_HOME\/bin\/emctl stop oms -all<\/code><\/p>\n\n\n\n<p><strong>Install the software using:<\/strong><\/p>\n\n\n\n<p><code>OMS_HOME\/oracle_common\/jdk\/bin\/java -jar PATCH_HOME\/6880880\/opatch_generic.jar -silent oracle_home=OMS_HOME<\/code><\/p>\n\n\n\n<p><code>OMS_HOME\/OPatch\/opatch version<\/code><\/p>\n\n\n\n<p><em>Ensure version is 13.9.4.2.10 or later.<\/em><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-5-apply-ru20-patch-13-4-0-20\">5. Apply RU20 Patch (13.4.0.20)<\/h4>\n\n\n\n<p><strong>Prepare:<\/strong><\/p>\n\n\n\n<p><code>df -h &nbsp; &nbsp; &nbsp; &nbsp; # Check space<br>free -h &nbsp; &nbsp; &nbsp; # Verify swap<\/code><\/p>\n\n\n\n<p><strong>Apply the patch:<\/strong><\/p>\n\n\n\n<p><code>omspatcher apply<\/code><\/p>\n\n\n\n<p><strong>Verify:<\/strong><\/p>\n\n\n\n<p><code>OMS_HOME\/OPatch\/opatch lsinv | grep applied<\/code><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-6-apply-weblogic-patch-optional-but-recommended\">6. Apply WebLogic Patch (Optional But Recommended)<\/h2>\n\n\n\n<p><code>cd OMS_HOME\/PATCH_STORAGE\/30689820<br>opatch apply<\/code><\/p>\n\n\n\n<p><em>Make sure the WebLogic JDK is set correctly before running OPatch.<\/em><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-7-confirm-oms-and-agent-status\">7. Confirm OMS and Agent status<\/h4>\n\n\n\n<p><code>OMS_HOME\/bin\/emctl status oms<br>AGENT_HOME\/bin\/emctl status agent<\/code><\/p>\n\n\n\n<p><strong>Restart OMS and Agent:<\/strong><\/p>\n\n\n\n<p><code>OMS_HOME\/bin\/emctl start oms<br>AGENT_HOME\/bin\/emctl start agent<\/code><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-8-sync-emcli-if-applicable\">8. Sync EMCLI (if applicable)<\/h2>\n\n\n\n<p><code>emcli sync<\/code><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-conclusion\">Conclusion<\/h2>\n\n\n\n<p>If the [handshake has no peer] error persists even after applying the patch and restarting services, it may indicate a deeper compatibility issue introduced by the Java upgrade. In such cases, upgrading to Oracle Enterprise Manager 13.5 is strongly recommended, as it offers improved TLS handling and enhanced support for updated Java components.<\/p>\n\n\n\n<p><strong>For any questions, please contact us.<\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/virtual-dba.com\/blog\/oracle\/\">Stay ahead of Oracle issues\u2014explore our Oracle error blog collection for expert fixes, tips, and solutions to keep your systems running smoothly.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>SUMMARY: The Oracle Enterprise Manager 13c (EM13c) &#8220;[handshake has no peer]&#8221; error, which occurs after a Java upgrade on the Oracle Management Server (OMS), is an SSL\/TLS communication failure that can be resolved by applying a specific Release Update (RU) patch. If the error persists after applying the patch, upgrading to Oracle Enterprise Manager 13.5 [&hellip;]<\/p>\n","protected":false},"author":73,"featured_media":243265,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"off","_et_pb_old_content":"<!-- wp:paragraph -->\n<p>After upgrading Java on the <a href=\"https:\/\/virtual-dba.com\/platforms\/oracle\/\">Oracle<\/a> Management Server, you may encounter failure when testing named credentials in EM13c. The error <code>[handshake has no peer]<\/code> usually stems from misconfigured or missing certificates in the Java truststore, resulting in SSL\/TLS handshake issues. This failure disrupts communication between OMS and monitored targets, affecting jobs, monitoring, and overall system reliability.<br><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"h-em13c-handshake-has-no-peer-error-root-cause\">EM13c [handshake has no peer] Error Root Cause<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>[image]<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>This issue is documented under Oracle Bug 33896877. It has been resolved in:<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>EM13.4 Release Update (RU) 20<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>EM13.5 Release Update (RU) 09<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>Applying the relevant RU fixes the handshake issue.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"h-fixing-em13c-handshake-has-no-peer-error\">Fixing EM13c [handshake has no peer] Error<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\" id=\"h-prerequisites\">Prerequisites<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li>Ensure the WebLogic Admin Server hosting the OMS is running.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Ensure the Management Repository Database and Listener are running.<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:paragraph -->\n<p><strong>Required versions:<\/strong><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li>OPatch: 13.9.4.2.5 or later<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>OMSPatcher: 13.9.4.8.0 or later<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\" id=\"h-high-level-steps-overview\">High-Level Steps Overview<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li>Check current versions<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Set environment variables<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Backup OMS and Oracle Home<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Stop OMS and Agent<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Install or update OMSPatcher and OPatch<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Analyze and apply RU20<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Apply WebLogic Patch<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Confirm OMS and Agent is still running<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Validate environment<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\" id=\"h-step-by-step-instructions\">Step-by-Step Instructions<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:heading {\"level\":4} -->\n<h4 class=\"wp-block-heading\" id=\"h-1-check-current-status\">1. Check current status:<\/h4>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p><code>OMS_HOME\/bin\/emctl status oms<br>OMS_HOME\/OPatch\/opatch lsinventory<\/code><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><strong>Set environment variables:<\/strong><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><code>export OMS_HOME=\/oracle\/app\/oracle\/oem_13.4<br>export AGENT_HOME=\/oracle\/app\/agent\/agent_13.4.0.0.0<br>export PATH=OMS_HOME\/OPatch:PATH<\/code><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading {\"level\":4} -->\n<h4 class=\"wp-block-heading\" id=\"h-2-backup-homes\">2. Backup Homes<\/h4>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p><code>tar -cvf \/backup\/oms_home_backup.tar OMS_HOME<\/code><br><code>tar -cvf \/backup\/oracle_home_backup.tar ORACLE_HOME<\/code><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading {\"level\":4} -->\n<h4 class=\"wp-block-heading\" id=\"h-3-install-omspatcher\">3. Install OMSPatcher<\/h4>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p><code>cd OMS_HOME<br>mv OMSPatcher OMSPatcher_old<\/code><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><code><em># Unzip the new OMSPatcher package here<\/em><br>unzip p19999993_134000_Generic.zip<\/code><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><code>OMS_HOME\/OMSPatcher\/omspatcher version<\/code><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><strong>Analyze the patch:<\/strong><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><code>cd OMS_HOME\/PATCH_STORAGE\/35174911<br>omspatcher apply -analyze<\/code><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading {\"level\":4} -->\n<h4 class=\"wp-block-heading\" id=\"h-4-install-opatch\">4. Install OPatch<\/h4>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>cd OMS_HOME<br>unzip p28186730_1394210_Generic.zip<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><strong>Stop OMS and Agent:<\/strong><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><code>AGENT_HOME\/bin\/emctl stop agent<br>OMS_HOME\/bin\/emctl stop oms -all<\/code><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><strong>Install the software using:<\/strong><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><code>OMS_HOME\/oracle_common\/jdk\/bin\/java -jar PATCH_HOME\/6880880\/opatch_generic.jar -silent oracle_home=OMS_HOME<\/code><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><code>OMS_HOME\/OPatch\/opatch version<\/code><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><em>Ensure version is 13.9.4.2.10 or later.<\/em><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading {\"level\":4} -->\n<h4 class=\"wp-block-heading\" id=\"h-5-apply-ru20-patch-13-4-0-20\">5. Apply RU20 Patch (13.4.0.20)<\/h4>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p><strong>Prepare:<\/strong><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><code>df -h \u00a0 \u00a0 \u00a0 \u00a0 # Check space<br>free -h \u00a0 \u00a0 \u00a0 # Verify swap<\/code><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><strong>Apply the patch:<\/strong><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><code>omspatcher apply<\/code><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><strong>Verify:<\/strong><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><code>OMS_HOME\/OPatch\/opatch lsinv | grep applied<\/code><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"h-6-apply-weblogic-patch-optional-but-recommended\">6. Apply WebLogic Patch (Optional but Recommended)<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p><code>cd OMS_HOME\/PATCH_STORAGE\/30689820<br>opatch apply<\/code><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><em>Make sure the WebLogic JDK is set correctly before running OPatch.<\/em><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading {\"level\":4} -->\n<h4 class=\"wp-block-heading\" id=\"h-7-confirm-oms-and-agent-status\">7. Confirm OMS and Agent status<\/h4>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p><code>OMS_HOME\/bin\/emctl status oms<br>AGENT_HOME\/bin\/emctl status agent<\/code><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><strong>Restart OMS and Agent<\/strong><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><code>OMS_HOME\/bin\/emctl start oms<br>AGENT_HOME\/bin\/emctl start agent<\/code><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"h-8-sync-emcli-if-applicable\">8. Sync EMCLI (if applicable)<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p><code>emcli sync<\/code><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"h-conclusion\">Conclusion<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>If the [handshake has no peer] error persists even after applying the patch and restarting services, it may indicate a deeper compatibility issue introduced by the Java upgrade. In such cases, upgrading to Oracle Enterprise Manager 13.5 is strongly recommended, as it offers improved TLS handling and enhanced support for updated Java components.<\/p>\n<!-- \/wp:paragraph -->","_et_gb_content_width":"","content-type":"","footnotes":""},"categories":[4166,3918,23],"tags":[4181,1145],"class_list":["post-243235","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-database","category-oracle","tag-error-message","tag-oracle"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.1 (Yoast SEO v27.1.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>How to Resolve EM13c [Handshake Has No Peer] Error - XTIVIA<\/title>\n<meta name=\"description\" content=\"EM13c handshake has no peer fix after Java upgrade on OMS server. 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