If you are an enterprise architect or a security operations lead, you have likely stared at this specific MSI binary in your software distribution center (SCCM/Intune) and asked: Do I really need to keep supporting this?
Filename: pulsesecure-9.1r14.x64.msi Vendor: Pulse Secure, LLC (Pre-Ivanti Heavy Rebranding) EOL Status: End of Engineering (EOE) / End of Life (EOL)
Post-install, look at: HKLM\SOFTWARE\Pulse Secure\Policy HKCU\SOFTWARE\Pulse Secure\Pulse
Note that version 9.1R14 writes to 32-bit and 64-bit registry hives due to legacy COM object dependencies. If you see Wow6432Node entries for Pulse, you know the VPN tunneling service is hosting 32-bit components—a major source of memory leaks when the connection uptime exceeds 30 days. 3. Security Implications (The CVE Vector) Running pulsesecure-9.1r14.x64.msi in 2025/2026 is a risk management decision. While Ivanti has backported fixes for high-profile CVEs (like CVE-2021-22908 regarding the Windows API hooking issue), this client version is vulnerable to "Session Cookie Replay" if the server side is not updated to R22 or higher.
The short answer is yes. But the long answer involves SSL VPN fragmentation, deprecation of NCP, and the rocky transition from Pulse Secure to Ivanti. The 9.1R14 build (specifically the x64 MSI) represents a peculiar moment in VPN client history. While Ivanti had already acquired Pulse Secure in 2020, the client telemetry remained split. This version is the last "pure" Pulse Secure client before the forced migration to Ivanti Secure Access Client (ISAC) 22.x.
The MSI upgrade sequence fails with error 1603 because the ProductCode and UpgradeCode changed during the Ivanti rebranding.
msiexec /i "pulsesecure-9.1r14.x64.msi" /qn /norestart \ CONNECTION_NAME="Corp_VPN" \ SERVER="vpn.company.com" \ USERNAME="%username%" \ CERTIFICATE_STORE_ROAMING_ENABLE=1 A major pain point in R14 is that the MSI does not natively support configuring multiple connections or configuring the "Realm" via the command line. If you use realms (e.g., /Corporate vs /Contractors ), you must deploy a separate .pulsepreconfig file or use an Active Setup script post-install.
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