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InstallShield digital signing feature uses a timestamp server from Symantec which is being decommissioned (more details here) and migrated to Digicert. Signing with new DigiCert URL causes breakage in Digital Signing


When signing an installer with SHA-256 digest, using the new Digicert server (, the resulting installer is signed by SHA-256 digest, but the countersignatures are signed with SHA1 due to an incorrect order in which InstallShield calls the signing APIs


Please refer following InstallShield KB article to download and install Digital Signing Patch for InstallShield 2015 SP2 and above

Affected AdminStudio Versions

The patch is applicable only to versions of InstallShield editor available in the following versions of AdminStudio

AdminStudio 2016 SP2

AdminStudio 2018 R3

AdminStudio 2018 R4

AdminStudio 2019 R2


Additional Information

If there are any additional issues, please contact our  Technical Support team


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Version history
Last update:
‎Nov 07, 2019 01:01 AM
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