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i'm installing efficy 10.0 on my computer and want to set the database connection to the production database. I used the Alias Manager to create a new alias and when testing the connection, everything is successful. When i try to log on in the browser, i receive the given error in the subject. I'm passing the parameter database=Prod as shown in the screen. What am i doing wrong?

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Thanks in advance

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2 Answers

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Probably related to this issue with the virtual store, as indicated by Vincent.

Could it be that the Alias.ini stored in C:\Program Files (x86)\Efficy\Alias.ini is empty or does not exist?

If the user that executes Alias Manager does not have write permissions (without elevation) inside C:\Program Files (x86)\Efficy\, Windows will let applications write their settings to a virtual store folder AppData\Local\VirtualStore. I assume the ini file is stored in that location and cannot be accessed by the IIS


  1. Move the Alias.ini from the virtual store to C:\Program Files (x86)\Efficy\
  2. Give the Users group write permissions on C:\Program Files (x86)\Efficy\
answered by (6.8k points)
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Maybe you have a problem with your alias.ini file

check in the C:\Program Files (x86)\Efficy\alias.ini if you see your alias.
If not, make a search on your disk if you find other alias.ini files (didn't remeber exactly where, it is in you user profile folder i think), if you find one who have the good config, delete it from there, and copy it in C:\Program Files (x86)\Efficy (overwrite or append the content of the one there)

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