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Community May 2026 Roundup 📣
🌟 Altair Community Update: Events, Highlights & What’s New Hello Altair Community! Welcome to this month’s community roundup—your go-to source for the latest discussions, expert insights, and standout solutions. Whether you're here to troubleshoot a challenge, discover new techniques, or stay up to date on trending topics,…
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PSIM Student License HostID Reset – New Laptop
Hello Altair Support Team, I recently moved to a new laptop and am trying to activate my PSIM 2026 Student Edition license. When I enter my activation key, I receive the error: “This license was already activated using different HostIDs.” When I try to deactivate it on the new laptop, I receive: “License not found.” I no…
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Request to reset Student License for new computer (Host ID change)
Hi Altair Support team, I am a student. I previously activated my student license on an old computer. Now I have moved to a new laptop and am getting license "Error Code -29" / "Error Code 15". Could you please reset/transfer my student license so I can use it on my new computer? My new Hard Drive ID (Host ID) is:…
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Request for License Reset / HostID Conflict - Student Edition
Hi Altair Support Team, I am having an issue activating my PSIM Student Edition license. I registered for a student license using my university email back in October 2025 and activated it on my previous computer. However, that machine has been completely reset/formatted and is no longer in use. When trying to activate PSIM…
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Request for Student License HostID Reset
Hi support team, I reinstalled Windows and now I get the error "This license was already activated using different HostIDs" when activating my software. Please help me deactivate the previous HostID. Thank you!
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Error: Unable to access license store
When I open the almutil_gui file from the path C:\Altair\Altair_PSIM_2026.1\security\gui, click on "Activate" (as shown in the attached screenshot), and enter my license key, the following error appears: "Error: Unable to access license store". Additionally, the Activate button is disabled.
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Request for PSIM Student Edition License Rehost (Different HostIDs Error)
Hello Altair Support Team, I am writing to request a license rehost for my PSIM Student Edition. I have recently changed my computer and am unable to activate the software on my new machine. When I try to activate it, I get the following error message: "Error activating license: This license was already activated using…
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Request to Reset PSIM Student License Activation
Dear Altair Support Team, I recently changed to a new computer and am unable to activate my PSIM Student Edition license using my original activation key. The system indicates that the license has already been activated with a different HostID. I no longer have access to the previous computer, so I cannot deactivate the…
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PSIM 2026.1の研究サポートプログラムライセンスの認証について
Description: PSIM 2026.1の研究サポートプログラムライセンスの認証についてご相談があり、ご連絡いたしました。ライセンス認証時にエラーが発生し、認証を完了できない状況です。研究サポートプログラムの導入手順では、管理者がAltair One上でユーザーアカウントを作成し、その後ライセンス認証を行うものと認識しております。しかし、対象ユーザーが先に自身でAltair Oneアカウントを作成してしまいました。その後、管理者側で当該ユーザーをライセンス用のグループへ追加しましたが、ライセンス認証が正常に行えません。PSIMからAltairユーザーによるライセンス認証を実施すると、添付画像のようなエラーが表示されます。【ご質問】…
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Having a problem about activating my license
Hello, I am using PSIM for my university studies. I recently renewed my license and tried to activate it, but I received the following error message: "Error: Unable to access license store." I tried activating it through both the 'System' and 'Server' options, but neither worked. Previously, I had no issues activating the…
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psim 비밀번호 까먹음
psim 11.0 32bit 사용중입니다. 비밀번호를 잊어버렸습니다. 어떻게 복구할 수 있습니까
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PSIM Student Edition account classified as Seoul National University_invalid
Hello Altair Support, I am a student at Seoul National University and would like to use the PSIM Student Edition license. After logging into Altair One with my university email address, my account is shown as: Seoul National University_invalid Because of this, I cannot properly access or activate the PSIM Student Edition…
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Ground Vehicle Team Starter Kit for Electrical Sub-Teams with Simcenter PSIM
Below you can find links to our resources for electrical sub-teams on Ground Vehicle / Automotive student teams: Efficiency Mapping – Critical KPI for all "electrical" teams PSIM and Python (Option 1): Generating Efficiency Contour Maps for e-Drives Using PSIM and Python PSIM and HyperStudy (Option 2): Fast-Track eDrive…
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Student Edition License Deactivation Request for New Computer
Dear Altair Support, . I am a student at Afeka College of Engineering, and I am using the Altair One Student Edition license. I recently replaced my computer and I need to activate the software on my new device. However, the license is still linked to my old computer. Could you please help me deactivate the Student Edition…
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PSIM Student License HostID Reset Request after Motherboard Failure
Hello Altair Support Team, I am using PSIM 26.0 Student Edition. After replacing my motherboard due to a hardware failure, I can no longer activate my PSIM student license. The previous motherboard is completely dead, so I cannot access the old system to deactivate the license manually. When I try to activate the license…
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PSIM License Error 9 & Error 1 after computer hardware change
Hello Support Team, I am a student at Pontificia Universidad Católica de Valparaíso. I recently changed my computer hardware but kept my hard drive. Now when I try to run PSIM, I get "Error Code: 9 (Feature not found)" and "Error Code: 1 (Timeout)". Could you please help me update my student license so it works on my new…
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Not able to access smart control in PSIM 2025.0
Hi PSIM Version 2025.0 PSIM Purchase Year : 2025 License for Group-3 (Screen shot attached)Power Supply+Co-simulation+Code-generation+Motor control So as per one solution search on Altair/Siemens website I am able to access smart control but not able to access it please provide support. —> Screenshot attached I have to…
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How to update PSIM version 2025 to PSIM version 2026 for a network license ?
Hi, Required help regarding updating PSIM version. PSIM just procured in 2025. Can we install PSIM 2026 in the PC where PSIM 2025 was installed & will it be updated? Or we have to modify at server end where license is installed?
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PSIM Solver 2026 Linux Installation – How do I obtain license file after installing License Manage
I am following the PSIM Solver 2026 Linux Installation Guide: https://help.altair.com/psim/psimsolver_2026_installationguide.pdf I would like to install PSIM on Linux. I have already installed PSIM Solver and the Altair License Manager successfully, and I can obtain the Host ID/MAC address using almutil -hostid. However, I…
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Blocked my account to too many incorrect password
Hello, My Altair One student account has been blocked due to too many incorrect password reset attempts. I am not receiving the verification/reset email at my university address (@estudante.ufjf.br), therefore I cannot unlock the account on my own. I had to create my own personal account on Altair (the one I am using) to…
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reset license
Olá, estou usando a licença estudantil do Altair PSIM. Ativei minha chave em outro notebook e agora não consigo ativar no meu computador atual. Aparece a mensagem de erro: "This license was already activated using different HostIDs". Peço, por favor, o reset/liberação da minha chave estudantil para que eu consiga usá-la no…
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Inquiry About PSIM License Error and Student License Renewal
Hello Altair Support Team, I am a graduate student currently using PSIM for academic and research purposes. Recently, my PSIM student license expired, and I attempted to renew it. However, I was unable to complete the renewal process. In addition, I encountered a license error with a different error code than the one I had…
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Account locked - not receiving verification email (PSIM Student Edition)
Hello, My Altair One student account is locked due to too many failed password reset attempts. I am not receiving the verification/reset email on my university address (@alunos.utfpr.edu.br), so I cannot unlock the account by myself. Could someone from Altair support please manually unlock my account or update the email…
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4-Terminal MOSFET Model in PSIM
I would like to ask whether PSIM provides a 4-terminal MOSFET model with separate Gate, Drain, Source, and Body (Bulk) terminals. I have checked several MOSFET models available in PSIM, including the built-in MOSFET models, and they all appear to have only three terminals, with the body terminal internally connected to the…
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How does PSIM determine the maximum allowable simulation time step?
I would like to understand how PSIM determines the maximum allowable simulation time step for a circuit. According to the PSIM documentation, the allowable maximum time step is calculated automatically and compared with the user-defined time step, and the smaller value is used for simulation. However, I have not found…