December 15, 20178 yr Hi, i'm trying to use the P2ABASEData.mdf that i've modified until version 2.3.1.2 but i receive an error and the database don't load. Is the old database compatible with the current version (2.4.0.1)? I've built lots of airports and i don't want lost them. I'm using airac navigraph version 1713. The error is "Unable to initialize database. The underlying provider failed on open. Cannot open database:P2Abasedata.mdf path requested by the login. The login failed. Login failed for user.
December 15, 20178 yr Commercial Member In addition to copying the P2ABaseData.mdf file to the data folder, you must delete the P2ABaseData_log.ldf file that is in the new Data folder. That will get rebuilt by SQL when you open P2A the first time.
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