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                                                                    Exhibit 4.13

                     EXHIBIT 4 to RESTRICTED STOCK AGREEMENT
                     ---------------------------------------

                          REGISTRATION RIGHTS AGREEMENT


     This Registration Rights Agreement, dated as of November 6, 2001, is among
DAOU Systems, Inc., a Delaware corporation (the "Company"), and Daniel J.
                                                 -------
Malcolm (the "Investor").
              --------

                                    RECITALS

     WHEREAS, the Company and the Investor are parties to that certain
Restricted Stock Agreement, dated November 6 and retroactive to July 24, 2001
(the "Purchase Agreement"); and
      ------------------

     WHEREAS, the Parties desire to enter into an agreement concerning the
registration of the shares of common stock, par value $.001 per share (the
"Common Stock"), to be issued pursuant to the Purchase Agreement.
 ------------

     NOW, THEREFORE, the parties hereby agree as follows:

                                   ARTICLE I
                               REGISTRATION RIGHTS

1.1. Definitions.  For purposes of this Agreement:
     -----------

(a)  the term "Register," "Registered," and "Registration" refer to a
     registration effected by preparing and filing a registration statement or
     similar document in compliance with the Securities Act of 1933, as amended
     (the "Act"), and the declaration or ordering of effectiveness of such
           ---
     registration statement or document;

(b)  the term "Registrable Securities" means the Common Stock issued pursuant to
     the Purchase Agreement and pursuant to the exercise of that certain
     Executive Stock Option Agreement, dated of even date herewith, which grants
     Daniel Malcolm options to purchase 850,000 shares of Common Stock,
     excluding in all cases, however, any Registrable Securities sold by a
     person in a transaction in which such person's rights under this Article I
     are not assigned;

(c)  the number of shares of "Registrable Securities then outstanding" will be
     the number of shares of Common Stock outstanding which are Registrable
     Securities;

(d)  the term "Holder" means any person owning or having the right to acquire
     Registrable Securities or any permitted assignee thereof; and

(e)  the term "Form S-1" means such form under the Act as in effect on the date
     of this Agreement or any registration form under the Act subsequently
     adopted by the Securities and Exchange Commission ("SEC") which permits
                                                         ---
     inclusion or incorporation of substantial information by reference to other
     documents filed by the Company with the SEC.

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1.2.     Form S-1 Registration.
         ---------------------

         As soon as reasonably practicable after the written request of the
Holders of a majority of the Registrable Securities, the Company shall file with
the SEC one or more Registration Statements on Form S-1 (or other similar form)
covering the continuous sale of the Registrable Securities pursuant to Rule 415
under the Securities Act or any successor thereto (each, a "Shelf Registration
                                                            ------------------
Statement"), in the manner specified therein. The Company shall use all
---------
reasonable efforts to cause each Shelf Registration Statement to be declared
effective by the SEC as soon as reasonably practicable after its filing with the
SEC, and upon reasonable notice from a Holder (and in any event no less than ten
(10) days) that the Holder intends to sell pursuant to a Shelf Registration
Statement, the Company will file such amendments and supplements as necessary to
update the Shelf Registration Statement so that it will be effective for any
such sale of Registrable Securities until the earlier of (x) such time as all of
the Registrable Securities are sold pursuant to such Shelf Registration
Statement or (y) each Holder is able to sell within any ninety (90) day period
all Registrable Securities owned by such Holder pursuant to SEC Rules as then in
effect, including Rule 144 under the Securities Act, or any successor thereto
("SEC Rule 144") (the "Effective Period"); provided that in the event that
  ------------         ----------------
Company determines in good faith that, because it has under consideration a
significant (as defined under Regulation S-X of the SEC) acquisition or
disposition or other material transaction or corporate event that has not been
publicly disclosed or that it is in the process of preparing for filing with the
SEC an Annual Report on Form 10-K, a Quarterly Report on Form 10-Q or a Current
Report on Form 8-K or other form, a Shelf Registration Statement may contain a
material misstatement or omission, the Company may cause such Shelf Registration
Statement to not be used during the period in question. The Company agrees it
will use its best efforts to ensure that such deferral will be for the shortest
period of time reasonably required not exceeding, in the aggregate, ninety (90)
days in any twelve (12) month period.

1.3.     Company Registration.
         --------------------

         In the event that (i) the Company fails to satisfy its obligations
pursuant to Section 1.2 or (ii) for any period of not less than thirty (30)
consecutive days a Shelf Registration Statement may not be used for any reason,
and if (but without any obligation to do so) the Company proposes to register
(including for this purpose a registration effected by the Company for
shareholders other than the Holders) any of its stock or other securities under
the Act in connection with the public offering of such securities solely for
cash (other than a registration relating solely to the sale of securities to
participants in a Company stock plan, or a registration on any form which does
not include substantially the same information as would be required to be
included in a registration statement covering the sale of the Registrable
Securities), the Company will, at such time, promptly give each Holder written
notice of such registration. Upon the written request of each Holder given
within twenty (20) days after mailing of such notice by the Company in
accordance with Section 2.5, the Company will cause to be registered under the
Act all of the Registrable Securities that each such Holder has requested to be
registered.

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1.4. Obligations of the Company.
     --------------------------

     Except as otherwise expressly specified in this Agreement, whenever
required under this Article I to effect the registration of any Registrable
Securities, the Company will, as expeditiously as reasonably practicable:

(a)  Prepare and file with the SEC such amendments and supplements to such
     registration statement and the prospectus used in connection with such
     registration statement as may be necessary to comply with the provisions of
     the Act with respect to the disposition of all securities covered by such
     registration statement.

(b)  Furnish to the Holders such number of copies of a prospectus, including a
     preliminary prospectus, in conformity with the requirements of the Act, and
     such other documents as they may reasonably request in order to facilitate
     the disposition of Registrable Securities owned by them.

(c)  Use its best efforts to register and qualify the securities covered by such
     registration statement under such other securities or Blue Sky laws of such
     jurisdictions as will be reasonably requested by the Holders, provided that
     the Company will not be required in connection therewith or as a condition
     thereto to qualify to do business or to file a general consent to service
     of process in any such states or jurisdictions.

1.5. Furnish Information.
     -------------------

     It will be a condition precedent to the obligations of the Company to take
any action pursuant to this Article I with respect to the Registrable Securities
of any selling Holder that such Holder will furnish to the Company such
information regarding itself, the Registrable Securities held by it, the
intended method of disposition of such securities and all of the other pertinent
information as will be required to effect the registration of such Holder's
Registrable Securities.

1.6. Expenses of Registration.
     ------------------------

     Subject to restrictions under applicable state securities laws, all
expenses other than underwriting discounts and commissions incurred in
connection with registrations, filings or qualifications pursuant to Sections
1.2 and 1.3, including (without limitation) all registration, filing and
qualification fees, printers' and accounting fees, and fees and disbursements of
counsel for the Company and the reasonable fees and disbursements of one counsel
representing the Holders will be borne by the Company.

1.7. Indemnification.  If any Registrable Securities are included in a
     ---------------
registration statement under this Article I:

(a)  To the extent permitted by law, the Company will indemnify and hold
     harmless each Holder, each of its directors and each of its officers, any
     underwriter (as defined in the Act) for such Holder and each person, if
     any, who controls such Holder or underwriter within the meaning of the Act
     or the Securities Exchange Act of 1934, as amended (the "Exchange Act"),
                                                              ------------
     against any losses, claims, damages, or liabilities (joint or several) to
     which they may become subject under the Act, or the Exchange Act, insofar
     as such losses, claims, damages,

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     or liabilities (or actions in respect thereof) arise out of or are based
     upon any of the following statements, omissions or violations (collectively
     a "Violation"): (i) any untrue statement or alleged untrue statement of a
        ---------
     material fact contained in such registration statement, including any
     preliminary prospectus or final prospectus contained therein or any
     amendments or supplements thereto, (ii) the omission or alleged omission to
     state therein a material fact required to be stated therein, or necessary
     to make the statements therein not misleading, or (iii) any violation or
     alleged violation by the Company of the Act, the Exchange Act, or any rule
     or regulation promulgated under the Act, or the Exchange Act; and the
     Company will pay to each such Holder, director, officer, underwriter or
     controlling person, any legal or other expenses reasonably incurred by them
     in connection with investigating or defending any such loss, claim, damage,
     liability, or action; provided, however, that the indemnity agreement
     contained in this Subsection 1.7(a) will not apply to amounts paid in
     settlement of any such loss, claim, damage, liability, or action if such
     settlement is effected without the consent of the Company (which consent
     will not be unreasonably withheld), nor will the Company be liable in any
     such case for any such loss, claim, damage, liability, or action to the
     extent that it arises out of or is based upon a Violation which occurs in
     reliance upon and in conformity with written information furnished
     expressly for use in connection with such registration by any such Holder,
     director, officer, underwriter or controlling person.

(b)  To the extent permitted by law, each selling Holder will indemnify and hold
     harmless the Company, each of its directors, each of its officers who has
     signed the registration statement, each person, if any, who controls the
     Company within the meaning of the Act, any other Holder selling securities
     in such registration statement and any controlling person of any such
     underwriter or other Holder, against any losses, claims, damages, or
     liabilities (joint or several) to which any of the foregoing persons may
     become subject, under the Act or the Exchange Act insofar as such losses,
     claims, damages, or liabilities (or actions in respect thereto) arise out
     of or are based upon any Violation, in each case to the extent (and only to
     the extent) that such Violation occurs in reliance upon and in conformity
     with written information furnished by such Holder expressly for use in
     connection with such registration; and each such Holder will pay any legal
     or other expenses reasonably incurred by any person intended to be
     indemnified pursuant to this Subsection 1.7(a), in connection with
     investigating or defending any such loss, claim, damage, liability, or
     action; provided, however, that the indemnity agreement contained in this
     Subsection 1.7(a) will not apply to amounts paid in settlement of any such
     loss, claim, damage, liability or action if such settlement is effected
     without the consent of the Holder, which consent will not be unreasonably
     withheld; provided, that, in no event will any indemnity under this
     Subsection 1.7(a) exceed the proceeds from the offering net of sales
     commission, if any, received by such Holder.

(c)  Promptly after receipt by an indemnified party under this Section 1.7 of
     notice of the commencement of any action (including any governmental
     action), such indemnified party will, if a claim in respect thereof is to
     be made against any indemnifying party under this Section 1.7, deliver to
     the indemnifying party a written notice of the commencement thereof and the
     indemnifying party will have the right to participate in, and, to the
     extent the indemnifying party so desires, jointly with any other
     indemnifying party similarly noticed, to assume the defense thereof with
     counsel satisfactory to the indemnified party (which shall not unreasonably
     withhold its approval); provided, however, that an indemnified party

                                        4

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     (together with all other indemnified parties which may be represented
     without conflict by one counsel) will have the right to retain one separate
     counsel, with the reasonable fees and expenses to be paid by the
     indemnifying party, if representation of such indemnified party by the
     counsel retained by the indemnifying party is inappropriate due to actual
     or potential differing interests between such indemnified party and any
     other party represented by such counsel in such proceeding. The failure to
     deliver written notice to the indemnifying party within a reasonable time
     of the commencement of any such action, if prejudicial to its ability to
     defend such action, will relieve such indemnifying party of any liability
     to the indemnified party under this Section 1.7, but the omission so to
     deliver written notice to the indemnifying party will not relieve it of any
     liability that it may have to any indemnified party otherwise than under
     this Section 1.7.

(d)  If the indemnification provided for in this Section 1.7 is held by a court
     of competent jurisdiction to be unavailable to an indemnified party with
     respect to any loss, liability, claim, damage, or expense referred to
     therein, then the indemnifying party, in lieu of indemnifying such
     indemnified party to this Agreement, will contribute to the amount paid or
     payable by such indemnified party as a result of such loss, liability,
     claim, damage, or expense in such proportion as is appropriate to reflect
     the relative fault of the indemnifying party on the one hand and of the
     indemnified party on the other in connection with the statements or
     omissions that resulted in such loss, liability, claim, damage, or expense
     as well as any other relevant equitable considerations. The relative fault
     of the indemnifying party and of the indemnified party will be determined
     by reference to, among other things, whether the untrue or alleged untrue
     statement of a material fact or the omission to state a material fact
     relates to information supplied by the indemnifying party or by the
     indemnified party and the parties' relative intent, knowledge, access to
     information, and opportunity to correct or prevent such statement or
     omission.

(e)  The obligations of the Company and Holders under this Section 1.7 will
     survive the completion of any offering of Registrable Securities in a
     registration statement under this Article I, and otherwise.

1.8. Reports Under 1934 Act.
     ----------------------

     With a view to making available to the Holders the benefits of Rule 144
promulgated under the Act and any other rule or regulation of the SEC that may
at any time permit a Holder to sell securities of the Company to the public
without registration or pursuant to a registration on Form S-1, the Company
will:

(a)  make and keep public information available, as those terms are understood
     and defined in SEC Rule 144, at all times;

(b)  file with the SEC in a timely manner all reports and other documents
     required of the Company under the Act and the Exchange Act; and

(c)  furnish to any Holder, so long as the Holder owns any Registrable
     Securities, forthwith upon request (i) a written statement by the Company
     that it has complied with the reporting requirements of SEC Rule 144, the
     Act and the Exchange Act, or that it qualifies as a

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     registrant whose securities may be resold pursuant to Form S-3 (at any time
     after it so qualifies), (ii) a copy of the most recent annual or quarterly
     report of the Company and such other reports and documents so filed by the
     Company, and (iii) such other information as may be reasonably requested in
     availing any Holder of any rule or regulation of the SEC which permits the
     selling of any such securities without registration or pursuant to such
     form.

1.9. Rule 144 Availability.
     ---------------------

     Notwithstanding anything to the contrary above in this Article I, prior to
exercising any right provided for in this Article I each Holder will (i)
evaluate in good faith whether such Holder is otherwise permitted to sell the
entire amount of Registrable Securities it is then seeking to register within
the time period it desires to sell pursuant to Rule 144 of the Exchange Act, or
any successor regulation thereto and (ii) exercise such rights only in the case
that it determines in good faith that such rights are necessary to sell such
Registrable Securities in a timely manner.

                                   ARTICLE II
                                  MISCELLANEOUS

2.1. Successors and Assigns.
     ----------------------

     Except as otherwise provided in this Agreement, the terms and conditions of
this Agreement will inure to the benefit of and be binding upon the respective
successors and assigns of the parties (including transferees of any shares of
Registrable Securities). Nothing in this Agreement, express or implied, is
intended to confer upon any party other than the parties to this Agreement or
their respective successors and assigns any rights, remedies, obligations, or
liabilities under or by reason of this Agreement, except as expressly provided
in this Agreement.

2.2. Governing Law.
     -------------

     This Agreement will be governed by and construed under the laws of the
State of California.

2.3. Counterparts.
     ------------

     This Agreement may be executed in two or more counterparts, each of which
will be deemed an original, but all of which together will constitute one and
the same instrument.

2.4. Titles and Subtitles.
     --------------------

     The titles and subtitles used in this Agreement are used for convenience
only and are not to be considered in construing or interpreting this Agreement.

2.5. Notices.
     -------

     Unless otherwise provided, any notice required or permitted under this
Agreement will be given in writing and will be deemed effectively given upon
personal delivery to the party to be notified, by telecopy upon the appropriate
answer-back, or upon deposit with the United States Post Office, by registered
or certified mail, postage prepaid and addressed to the party to be

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notified at the address indicated for such party on Schedule 1 or at such other
address as such party may designate by ten (10) days' advance written notice to
the other parties.

2.6.   Expenses.
       --------

       If any action at law or in equity is necessary to enforce or interpret
the terms of this Agreement, the prevailing party will be entitled to reasonable
attorneys' fees, costs and necessary disbursements in addition to any other
relief to which such party may be entitled.

2.7.   Amendments and Waivers.
       ----------------------

       Any term of this Agreement may be amended and the observance of any term
of this Agreement may be waived (either generally or in a particular instance
and either retroactively or prospectively), only with the written consent of the
Company and the Holders of a majority of the Registrable Securities then
outstanding. Any amendment or waiver effected in accordance with this paragraph
will be binding upon each Holder of any Registrable Securities then outstanding,
each future Holder of all such Registrable Securities, and the Company.

2.8.   Severability.
       ------------

       If one or more provisions of this Agreement are held to be unenforceable
under applicable law, such provision will be excluded from this Agreement and
the balance of the Agreement will be interpreted as if such provision were so
excluded and will be enforceable in accordance with its terms.

2.9.   Aggregation of Stock.
       --------------------

       All shares of Registrable Securities held or acquired by affiliated
entities or persons will be aggregated together for the purpose of determining
the availability of any rights under this Agreement.

2.10.  Entire Agreement, Amendment, Waiver.
       -----------------------------------

       This Agreement (including the Schedules to this Agreement, if any)
constitutes the full and entire understanding and agreement between the parties
with regard to the subjects of this Agreement and thereof.

2.11.  Adjustments for Stock Splits.
       ----------------------------

       Wherever in this Agreement there is a reference to a specific number of
shares of Common Stock of the Company of any class or series, or a reference to
any amount of dollars per any such share, then, upon the occurrence of any
subdivision, combination or stock dividend of such class or series of stock, the
specific number of shares or the specific dollar amount so referenced in this
Agreement will automatically be proportionately adjusted to reflect the effect
on the outstanding shares of such class of series of stock by such subdivision,
combination or stock dividend.

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IN WITNESS WHEREOF, the parties have executed this Agreement as of the date
first above written.



DAOU SYSTEMS, INC.

By: /s/ James Roberto
    -----------------
Name:  James Roberto
Title: Chief Executive Officer



THE INVESTOR:



/s/ Daniel J. Malcolm
---------------------
Daniel J. Malcolm

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                                   SCHEDULE 1
                                    INVESTOR

                                    ---------


                                NAME AND ADDRESS

                                ----------------



Daniel J. Malcolm



Facsimile No.: (   )

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