Acquire a copy of the self-signed certificate
- Last UpdatedMar 13, 2026
- 2 minute read
Before you can trust a self-signed certificate, you need a copy of the certificate on your system. If you already have a copy of the certificate, proceed to Trusting a Self-Signed Certificate.
Obtain a copy of the self-signed certificate
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In your browser, browse to the AVEVA Historian Client Web URL.
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In the address bar, select the warning message indicating your connection is not secure.
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Select Certificate (Invalid). The Certificate details dialog displays:
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To trust the certificate, first you must save a copy. Select the Details tab.
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Select Copy to File. The Certificate Export Wizard displays:
Select Next.
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Select DER encoded binary X.509 (.CER) as the export file format:
Select Next.
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Select Browse and choose a location to save the exported certificate.
Select Next.
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Select Finish to export the certificate to the selected file:
