https://bugs.winehq.org/show_bug.cgi?id=40944
--- Comment #4 from Rosanne DiMesio dimesio@earthlink.net --- What version of DOSBox are you using? If it's 0.74, which is the last stable release, it's too old. You need a version with the patches that fix bug 18118.
You also need to fix this:
err:winediag:SECUR32_initNTLMSP ntlm_auth was not found or is outdated. Make sure that ntlm_auth >= 3.0.25 is in your path. Usually, you can find it in the winbind package of your distribution.