SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C. 20549

                                 SCHEDULE 13G


                                (Rule 13d-102)


             INFORMATION STATEMENT PURSUANT TO RULES 13d-1 AND 13d-2


                   Under the Securities Exchange Act of 1934
                                (Amendment No. )

                                  VERISIGN INC
             -----------------------------------------------------
                                (Name of Issuer)

                                  Common Stock
              -----------------------------------------------------
                         (Title of Class of Securities)

                                    92343E102
             -----------------------------------------------------
                                 (CUSIP Number)

                                December 31, 2005
             -----------------------------------------------------
            (Date Of Event which Requires Filing of this Statement)



Check the following box if a fee is  being paid with this statement [].

----------
*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities  Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).


CUSIP No. 92343E102             13G                    Page 2  of 8 Pages
--------------------------------------------------------------------------------
   1.  NAME OF REPORTING PERSON(S)
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON(S)
       Morgan Stanley
       IRS  #  36-314-5972
--------------------------------------------------------------------------------
   2.  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

--------------------------------------------------------------------------------
   3.  SEC USE ONLY

--------------------------------------------------------------------------------
   4.  CITIZENSHIP OR PLACE OF ORGANIZATION
       The state of organization is Delaware.
--------------------------------------------------------------------------------
   NUMBER OF      5.   SOLE VOTING POWER
     SHARES            25,600,163
  BENEFICIALLY    --------------------------------------------------------------
    OWNED BY      6.   SHARED VOTING POWER
      EACH             15,700
   REPORTING      --------------------------------------------------------------
     PERSON       7.   SOLE DISPOSITIVE POWER
      WITH             25,600,163
                  --------------------------------------------------------------
                  8.   SHARED DISPOSITIVE POWER
                       15,700
--------------------------------------------------------------------------------
   9.  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
       25,622,763
--------------------------------------------------------------------------------
  10.  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

--------------------------------------------------------------------------------
  11.  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
       9.3%
--------------------------------------------------------------------------------
  12.  TYPE OF REPORTING PERSON*
       IA, CO, HC
--------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!


CUSIP No. 92343E102             13G                    Page 3  of 8 Pages
--------------------------------------------------------------------------------
   1.  NAME OF REPORTING PERSON(S)
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON(S)

       Morgan Stanley & Co. Incorporated
       IRS  #  13-265-5998
--------------------------------------------------------------------------------
   2.  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

--------------------------------------------------------------------------------
   3.  SEC USE ONLY

--------------------------------------------------------------------------------
   4.  CITIZENSHIP OR PLACE OF ORGANIZATION
       The state of organization is Delaware.
--------------------------------------------------------------------------------
   NUMBER OF      5.   SOLE VOTING POWER
     SHARES            16,257,924
  BENEFICIALLY    --------------------------------------------------------------
    OWNED BY      6.   SHARED VOTING POWER
      EACH             0
   REPORTING      --------------------------------------------------------------
     PERSON       7.   SOLE DISPOSITIVE POWER
      WITH             16,257,924
                  --------------------------------------------------------------
                  8.   SHARED DISPOSITIVE POWER
                       0
--------------------------------------------------------------------------------
   9.  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
       16,264,824
--------------------------------------------------------------------------------
  10.  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

--------------------------------------------------------------------------------
  11.  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
       5.9%
--------------------------------------------------------------------------------
  12.  TYPE OF REPORTING PERSON*
       BD, CO
--------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!



CUSIP No. 92343E102                 13G                   Page 4  of  8  Pages

Item 1.     (a)   Name of Issuer:
                  VERISIGN INC
                  --------------------------------------------------------------
            (b)   Address of Issuer's Principal Executive Offices:
                  487 EAST MIDDLEFIELD ROAD
                  ATTN: GENERAL COUNSEL
                  MOUNTAIN VIEW, CA 94043
                  --------------------------------------------------------------
Item 2.     (a)   Name of Person Filing:
                  (a) Morgan Stanley
                  (b) Morgan Stanley & Co. Incorporated
                  --------------------------------------------------------------
            (b)   Address of Principal Business Office, or if None, Residence:
                  (a) 1585 Broadway
                      New York, NY 10036

                  (b) 1585 Broadway
                      New York, NY 10036
                  --------------------------------------------------------------
            (c)   Citizenship:
                  Incorporated by reference to Item 4 of the
                  cover page pertaining to each reporting person.
                  --------------------------------------------------------------
            (d)   Title of Class of Securities:
                  Common Stock
                  --------------------------------------------------------------
            (e)   CUSIP Number:
                  92343E102
                  --------------------------------------------------------------

Item 3.     (a)   Morgan Stanley is a parent holding company.

            (b)   Morgan Stanley & Co. Incorporated is a Broker
                  Dealer registered under section 15 of the Securities
                  Exchange Act of 1934.




CUSIP No. 92343E102                 13-G                   Page 5  of  8  Pages


Item 4.     Ownership.

            Incorporated  by  reference  to  Items  (5) - (9) and (11) of the
            cover page.

            (a) Morgan Stanley is filing solely in its
                capacity as the parent company of, and indirect beneficial
                owner of securities held by, one of its business units.

Item 5.     Ownership of Five Percent or Less of a Class.

            Inapplicable

Item 6.     Ownership of More Than Five Percent on Behalf of Another Person.

            Inapplicable

Item 7.     Identification and Classification of the Subsidiary which Acquired
            the Security Being Reported on By the Parent Holding Company.

Item 8.     Identification and Classification of Members of the Group.

Item 9.     Notice of Dissolution of Group.

Item 10.    Certification.

            By signing below I certify that, to the best of my knowledge and
            belief, the securities referred to above were acquired in the
            ordinary course of business and were not acquired for the purpose
            of and do not have the effect of changing or influencing the
            control of the issuer of such securities and were not acquired in
            connection with or as a participant in any transaction having
            such purpose or effect.


CUSIP No. 92343E102              13-G                   Page 6  of  8 Pages


                                  Signature.


            After reasonable inquiry and to the best of my knowledge and
            belief, I certify that the information set forth in this
            statement is true, complete and correct.


Date:       February 15, 2006


Signature:  /s/ Dennine Bullard
            -----------------------------------------------------------------

Name/Title  Dennine Bullard/Executive Director, Morgan Stanley & Co.
                            Incorporated
            -----------------------------------------------------------------
            MORGAN STANLEY


Date:       February 15, 2006


Signature:  /s/ Dennine Bullard
            -----------------------------------------------------------------

Name/Title  Dennine Bullard/Executive Director, Morgan Stanley & Co.
                            Incorporated
            -----------------------------------------------------------------
            MORGAN STANLEY & CO. INCORPORATED




                       INDEX TO EXHIBITS                               PAGE
                       -----------------                               ----

EXHIBIT 1       Agreement to make a joint filing                          7

EXHIBIT 2       Secretary's Certificate Authorizing Dennine Bullard       8
                to Sign on behalf of Morgan Stanley


* Attention. Intentional misstatements or omissions of fact constitute federal
  criminal violations (see 18 U.S.C. 1001).




                                     EX-99
                             JOINT FILING AGREEMENT


 CUSIP No. 92343E102                13-G                  Page  7 of  8 Pages


                           EXHIBIT 1 TO SCHEDULE 13G
              ---------------------------------------------------


                               FEBRUARY 15, 2006
              ---------------------------------------------------


              MORGAN STANLEY and MORGAN STANLEY & CO. INCORPORATED,

              hereby agree that, unless differentiated, this

              Schedule 13G is filed on behalf of each of the parties.


           MORGAN STANLEY

           BY: /s/ Dennine Bullard
           --------------------------------------------------------------------
           Dennine Bullard/Executive Director, Morgan Stanley & Co. Incorporated

           MORGAN STANLEY & CO. INCORPORATED

           BY: /s/ Dennine Bullard
           --------------------------------------------------------------------
           Dennine Bullard/Executive Director, Morgan Stanley & Co. Incorporated


* Attention. Intentional misstatements or omissions of fact constitute federal
  criminal violations (see 18 U.S.C. 1001).


                                      EX-99.b
                              SECRETARY'S CERTIFICATE


 CUSIP No. 92343E102                    13-G                  Page 8 of 8 Pages

                                     EXHIBIT 2
                                ------------------

                                  MORGAN STANLEY

                              SECRETARY'S CERTIFICATE


         I, Charlene R. Herzer, a duly elected and acting Assistant Secretary
         of Morgan Stanley, a corporation organized and existing under the
         laws of the State of Delaware (the "Corporation"), certify as
         follows:


             (1) Donald G. Kempf, Jr. served as the duly elected Executive
                 Vice President, Chief Legal Officer and Secretary of the
                 Corporation from December 1, 1999 to August 26, 2005;

             (2) Pursuant to Section 7.01 of the Bylaws of the Corporation
                 and resolutions approved by the Board of Directors of the
                 Corporation on September 25, 1998, the Chief Legal Officer
                 is authorized to enter into agreements and other instruments
                 on behalf of the Corporation and may delegate such powers
                 to others under his jurisdiction; and

             (3) Donald G. Kempf signed a Delegation of Authority as of
                 February 23, 2000, which authorized Dennine Bullard to
                 sign reports to be filed under Section 13 and 16 of the
                 Securities Exchange Act of 1934 on behalf of the
                 Corporation.  Such authorization is in full force and
                 effect as of this date.

          IN WITNESS WHEREOF, I have hereunto set my name and affixed the seal
          of the Corporation as of the 23rd day of January, 2006.

                                                ______________________________
                                                Charlene R. Herzer
                                                Assistant Secretary