This is how I think the solo is played. The lower guitar is correct,
but I'm not sure if the higher part is right.
It sounds good to me though.

Tuning: Drop C (CGCFAD)
Neck Pickup

Legend
------

h - Hammer on
p - Pull off
~ - Vibrato

Guitar One
(2:40)

D|-15h19p15----15----------15-19-0-17-0-15-0-14-0-|
A|----------17----17----17------------------------|
F|-------------------16---------------------------|
C|------------------------------------------------|
G|------------------------------------------------|
C|------------------------------------------------|

D|-14h17p14----14----------14-17-0-15-0-14-0-12-0-|
A|----------15----15----15------------------------|
F|-------------------14---------------------------|
C|------------------------------------------------|
G|------------------------------------------------|
C|------------------------------------------------|

D|-12h15p12----12----------12-15-0-14-0-12-0-11-0-|
A|----------13----13----13------------------------|
F|-------------------12---------------------------|
C|------------------------------------------------|
G|------------------------------------------------|
C|------------------------------------------------|

D|-11h14p11----11-------------------------11-14-15-14-|
A|----------12----12----12-------------12-------------|
F|-------------------11----11-------11----------------|
C|-------------------------------13-------------------|
G|----------------------------14----------------------|
C|----------------------------------------------------|

Guitar Two (Harmony, Guitar One just repeats the measures above)
(2:50)

D|-19h22p19----19----------19-22-0-20-0-19-0-17-0-|
A|----------20----20----20------------------------|
F|-------------------19---------------------------|
C|------------------------------------------------|
G|------------------------------------------------|
C|------------------------------------------------|

D|-17h20p17----17----------17-20-0-19-0-17-0-15-0-|
A|----------18----18----18------------------------|
F|-------------------17---------------------------|
C|------------------------------------------------|
G|------------------------------------------------|
C|------------------------------------------------|

D|-15h19p15----15----------15-19-0-17-0-15-0-14-0-|
A|----------17----17----17------------------------|
F|-------------------16---------------------------|
C|------------------------------------------------|
G|------------------------------------------------|
C|------------------------------------------------|

D|-14h17p14----14----------------------------17-19-20-|
A|----------15----15----15-------------16-19----------|
F|-------------------14----14-------16----------------|
C|-------------------------------16-------------------|
G|----------------------------17----------------------|
C|----------------------------------------------------|

D|-19~-----17-19-17~~----15-17-15~-----12-15-12~--| <-- sustain on last note
A|------------------------------------------------|
F|------------------------------------------------|
C|------------------------------------------------|
G|------------------------------------------------|
C|------------------------------------------------|

Like I said this sounds right, and it's an easy solo to learn. You can even use sweep 
if you want for some of the parts, makes it a little easier.