Article ID: 000087253 Content Type: Troubleshooting Last Reviewed: 02/27/2023

How to Resolve the Inability to Log into Intel® Endpoint Management Assistant (Intel® EMA) WebUI or Platform Manager after the Software Upgrade


Active Directory (AD) change requirements before upgrading the Intel® EMA software version and include file


After updating Intel® EMA, the connection to the EMA platform stopped.


Intel® Endpoint Management Assistant (Intel® EMA) has improved security by using LDAP over SSL (LDAPS); the new default port of communication is 636.

Lightweight Directory Access Protocol: LDAP
SSL: Secure Sockets Layer

To confirm which version is running the Active Directory, perform the following test on the domain server:

Connect to LDAP Server (with and without SSL) using the ldp.exe tool.
Click on Start --> Search ldp.exe --> Connection and fill in the following parameters and click OK to connect:

Connection strings
First test using: ldapstest and 389

example image
example image


Second test using: ldapstest and 636

example image

If the connection is successful, you will see the following message in the ldp.exe tool:

example image

If the Server machine is using LDAP, here are a couple of external websites (Microsoft) that explain the steps to enable LDAPS:

Enable LDAP over SSL with a third-party certification authority

Step-by-Step Guide to Setup LDAPS on Windows Server


In addition, depending on which account is used to run the Intel® EMA Platform Manager service; the file needs to be copied to the appropriate file location:

  • Local System: C:\Windows\System32\config\systemprofile\AppData\Roaming\PlatformManager\SitePackages\Default Web Site\
  • Domain User/Service Account: C:\Users\<DomainUser>\AppData\Roaming\PlatformManager\SitePackages\Default Web Site\

The file is available in the StoredPackages folder after the installation of Intel® EMA.

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