SBS2003 Fax Server some outbound faxes just never work

I have a Windows Small Business Server 2003 (32-bit) fully patched with Windows Updates.

In the beginning (2007), the Fax Server worked great.  In 2009, out of nowhere it stopped working.  Applying Microsoft KB933804 hotfix resolved the problem.  

Who knows why, but it just decided to stop working again.  After re-applying Microsoft KB933804 hotfix and re-installing the modem driver it is now working again.

Over the years, many faxes just fail and the old fashion fax machine has to be used to successfully send them.  When the faxes fail on the Fax Server, I see the following in the Fax Console Outbox "Extended Status" and in the Server Event Viewer:  it says "Dialing", "Transmitting", then “The remote fax machine did not respond in time, and the call was terminated."

- I have a US Robotics 5670 v.92 PCI FaxModem.  I am using the driver from http://www.usr.com/support/product-template.asp?prod=5670.  

- The driver is 11/18/2005 version 7.32.0.4.  

- I have tried changing the maximum port speed from 115200 to 57600, 38400, 19200, and 9600 (current).  I have checked that the I/O Range and IRQ do not conflict with any other COM port.

I was thinking of using an “Extra initialization command” (in device mange / device properties / advanced tab) but I’m not sure what to try.  I know back in the day with Symantec’s WinFax and other faxing software applications this was necessary.

Any ideas I would greatly appreciate.  I can make the change and send out one fax to a number I know that always fails and a number I know that always works to see if your suggestion resolves the problem.

Regards,
Torrey
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Torrey BatesPreidentAsked:
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ArneLoviusCommented:
I would set the maximum port speed to be 115,200, this is the speed that the computer talks to the modem, not the speed that the modem works at,.

I would also think about replacing the USR modem with one that has better fax capabilities; as documented here http://www.hylafax.org/content/Handbook:Basic_Server_Configuration:Choosing_a_Modem I would avoid USR
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Torrey BatesPreidentAuthor Commented:
Until yesterday the maximum port speed was set to 115,200 since 2007 so unfortunately that is not the problem with the failed faxes.  

I've read a lot of places that the modem I have, the USR5670 works great with SBS2003 Fax Server and even Microsoft tech's have recommended it.

Regards,
Torrey
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ArneLoviusCommented:
Working well with Windows (being "seen", detecting the correct driver etc) and working well with other fax machines (handshaking, establishing a connection and sending) are two different things...

If a standalone fax machine works and the fax modem doesn't then presuming that the lines serving the fax machine and the modem are the same, the modem would be the suspect part.

If you want a high quality fax modem, get a mainpine http://www.mainpine.com however they are quite a lot more expensive than a USR...







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Torrey BatesPreidentAuthor Commented:
Finding a fix, being MS HotFix, tech article, or adjustment to softare or modem settings is what I'm seeking help with.  Purchasing a $469+ modem is not the solution I was looking for.  The modem being used is more than compatible with the requirements.

Regards,
Torrey
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Gagan_DylanCommented:
could you please check version of Fxssvc.exe 5.2.3790.2925 For SBS 2003 x64
or see http://support.microsoft.com/kb/933804, Article you mentioned which fixed the issue in the past.

I will check for lastest updates
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ArneLoviusCommented:
if the describe that the modem works with no issues to most destinations, but consistently fails to other destinations which a fax machine works with no issues to, then it would indicate that the Windows configuration is correct and that the issue is with the modem.

As an alternative to mainpine, you might take a look at the Multitech or MT5656ZDX MT9234ZBA-NAM fax modems.

It might also be worthwhile checking to see if the modem has more success on the line that the fax machine is connected to, just in case there is slightly different routing on that line.
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Torrey BatesPreidentAuthor Commented:
Gagan_Dylan, I checked the Server and I have the correct version from the hotfix loaded.  Also tried to reload the hotfix, no good.

ArneLovius, the alternative fax modems you suggested MT5656ZDX and MT9234ZBA-NAM are much more afordable.  I'm going to call Multi-Tech Systems tomorrow and verify Windows Small Business Server 2003 (32-bit) drivers are available and if so order whichever model they suggest to try it.  These are modem between $100-$200 but I've found them new on-line for under $100.00.

Regards,
Torrey
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Torrey BatesPreidentAuthor Commented:
I've tried all solutions related to the existing hardware/software with no resolve.  

Other suggestions involved purchasing new hardware which was not what I was seeking. I was able to try a multitude of other available free fax modems with no luck.  

In the end, a 3rd party fax service, myfax.com is now being used.  Reloading an entire Server to try and resolve the fax issue that nobody can figure out is not a viable option.

Regards,
Torrey
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Torrey BatesPreidentAuthor Commented:
I've requested that this question be closed as follows:

Accepted answer: 0 points for elitesys's comment #38093869

for the following reason:

Reason fully explained in my accepted answer.
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ArneLoviusCommented:
being unwilling to use replacement hardware for what appears to be a hardware problem does not invalidate the answers.
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Torrey BatesPreidentAuthor Commented:
ArneLovius, I was not unwilling to use replacement hardware.  This is not a hardware issue.  It is software, being something with the Windows 2003 Server itself.  This question has been open for six months and all posted software fixes have been tried.

Now did I try the modem you suggested modem that costs money – no.  Does that mean if someone suggested a modem with a ridiculous cost of $2,500 I must run out and purchase it – no.  Did I ask what modem should I buy - no.

As noted in my delete question response, I did try other hardware that was available to me.  One being a Zoom USB 56K V.92 Model 3095 Modem and the other a U.S. Robotics 56K V92 Model USR5610B, which is on the Windows Server Catalog (www.windowsservercatalog.com) "Designed" list of modems for Windows Server 2003.

Also noted in my delete question response - a 3rd party fax service, myfax.com is now being used.  Because I decided to use a 3rd party fax service as opposed to doing a backup, format, re-install, restore, and reconfigure everything on the Windows 2003 Server that is me solving my own question after all suggestions had run their course, including trying different hardware as you suggested.

Since I resolved my own question after 100+ days, I am entitled to close/delete it.  Now I have no choice but to just accept my own answer as the solution.   I am not required to keep the question open or award points to anyone just to award points.

Torrey
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Torrey BatesPreidentAuthor Commented:
I've requested that this question be closed as follows:

Accepted answer: 0 points for elitesys's comment #38127961

for the following reason:

My last post explicitly details the reason for accepting my own comment as the solution.<br /><br />Torrey
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ArneLoviusCommented:
as the problem was only to some destinations, the issue will have been with the modem. I have seen similar issues on multiple fax servers using multiple fax servers, and in all cases replacing the modem resolved the issue.
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