error msgs in accessing my personal address book in services

Answered Question
Feb 14th, 2007

Hi all,

My IP phone is cisco 7940,

When I try to access the personal address book in services, I got the error message:

Error: -7ffbffcf: User (adamzhu) was unable to be validated. (49)

PAB Error Message.

Please help me to resolve my problem,

Thank you very much in advance,



I have this problem too.
0 votes
Correct Answer by bjamaspi about 9 years 7 months ago

Hi Lester

Is this AD integrated ?

Have you gone through the following link :

  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 5 (1 ratings)


This Discussion