The command-line parameter -compressionminsize=1024 is invalid.

While starting AX client, you may face error as below.

Error "The command-line parameter -compressionminsize=1024 is invalid."

Reason & Solution

One of the reason for this error is, you are using AX server configuration file.

Create new client configuration file using "Client configuration" utility, which should work fine.

Also, let me know, if you find any other Reason/Solution for this error.