The packaged postgresql installer when trying to install ESM, you cannot install it with a username that has spaces.
Also, postgresql requires admin to install properly on the machine. You cannot install with a policy group that does not have sys admin on the machine.
All instances of exacqVision Client must be closed before successfully upgrading a client installation. The installer normally detects these instances and prompts the user to close them before proceeding.
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If an exacqVision Client installation is configured to receive VideoPush information from another client, the exacqVision installer will not detect the open client instance. This occurs because the client’s title bar contains additional information that causes the installer not to recognize it.
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The 64-bit version of the exacqVision Client installer can also fail to detect and close existing client instances.
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As a workaround, ensure that all exacqVision Client instances are closed before installing an upgrade.
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exacqVision-Installation-Fails-Because-Existing-exacqVision-Client-Instance-Remains-Open.pdf