package samba4 4.0.0~alpha17.dfsg2-1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Lohith]

I was able to log in to the system and the upgrade was fine except for this error. I can not map the shared drives back with this failure

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: samba4 4.0.0~alpha17.dfsg2-1
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 1.91-0ubuntu1
AptOrdering: samba4: Configure
Architecture: amd64
Date: Tue Feb 7 20:50:59 2012
ErrorMessage: subprocess installed post-installation script returned error exit status 1
SourcePackage: samba4
Title: package samba4 4.0.0~alpha17.dfsg2-1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to precise on 2012-02-08 (0 days ago)