When adding the drive....
$InitializeDefaultBTSDrive = $false
Add-PSSnapin -Name BizTalkfactory.PowerShell.Extensions
New-PSDrive -Name BizTalk -PsProvider BizTalk -Root BizTalk:\ -Instance $Env:COMPUTERNAME -Database BizTalkMgmtDb
Faulting application name: powershell.exe, version: 6.2.9200.16398, time stamp: 0x50338287
Faulting module name: unknown, version: 0.0.0.0, time stamp: 0x00000000
Exception code: 0x00000000
Fault offset: 0x02ac2d25
Faulting process id: 0x16a0
Faulting application start time: 0x01cee52c1fe165ca
Faulting application path: C:\Windows\syswow64\Windowspowershell\v1.0\powershell.exe
Faulting module path: unknown
Report Id: 65d1d813-511f-11e3-86d7-0050568306be
$InitializeDefaultBTSDrive = $false
Add-PSSnapin -Name BizTalkfactory.PowerShell.Extensions
New-PSDrive -Name BizTalk -PsProvider BizTalk -Root BizTalk:\ -Instance $Env:COMPUTERNAME -Database BizTalkMgmtDb
Faulting application name: powershell.exe, version: 6.2.9200.16398, time stamp: 0x50338287
Faulting module name: unknown, version: 0.0.0.0, time stamp: 0x00000000
Exception code: 0x00000000
Fault offset: 0x02ac2d25
Faulting process id: 0x16a0
Faulting application start time: 0x01cee52c1fe165ca
Faulting application path: C:\Windows\syswow64\Windowspowershell\v1.0\powershell.exe
Faulting module path: unknown
Report Id: 65d1d813-511f-11e3-86d7-0050568306be