An easy method to resolve QuickBooks error H303
                     QUICK HACKS TO PERMANENTLY ELIMINATE 
QUICKBOOKS ERROR H303
WHEN DEALING WITH QUICKBOOKS’ ONE OF THE MOST CRUCIAL COMPONENTS, THE 
COMPANY FILE, YOU CAN COME ACROSS SEVERAL TECHNICAL GLITCHES. SUCH 
ERRORS CAN RESTRICT A USER FROM AVAILING OF ALL INFORMATION PRESENT IN IT. 
ONE OF THE INSTANCES IS THE QUICKBOOKS ERROR H303 THAT TRIGGERS WHEN 
YOU MAKE AN ATTEMPT TO SWITCH YOUR COMPANY FILE INTO MULTI-USER MODE. 
NOW, THE QUESTION ARISES, WHY DOES THE ERROR INTERRUPT? AS THERE CAN BE 
A LOT OF REASONS, LET US DISCUSS THE MATTER IN MORE DETAIL TO GATHER 
EVERY MINUTE INFO ABOUT IT. THUS, GO AHEAD AND READ THIS ARTICLE.
IF YOU WANT TO PUT ANY QUESTIONS RELATED TO THE QUICKBOOKS 
COMPANY FILE ERROR H303, GET IN TOUCH WITH ONE OF THE CERTIFIED 
EXPERTS BY RINGING OUR TOLL-FREE 1.855.738.2784 . OUR TECHNICAL 
EXPERTS’ TEAM IS THERE TO ASSIST YOU ROUND THE CLOCK TILL YOU 
SUCCESSFULLY REMOVE THE GLITCH.
WHAT ARE THE REASONS THAT PROVOKE THE DATA 
FILE ERROR CODE H303?
GET EVERY DETAIL ABOUT THE FACTORS AFFECTING THE ISSUE BY REFERRING TO THE 
CAUSES WE HAVE EXPLAINED FURTHER-
• IF THERE HAS BEEN AN ISSUE WITH THE MULTI-USER NETWORK, THEN THERE IS A 
MAJOR POSSIBILITY OF RECEIVING THE GLITCH.
• CHECK FOR THE NETWORK DATA AND TRANSACTION LOG FILE, AS BOTH FILES MIGHT 
HAVE BEEN CORRUPTED OR EVEN SEVERELY DAMAGED.
• THE INCORRECT SETTINGS OF THE WINDOWS FIREWALL CAN ALSO BE ONE OF THE 
PRIME REASONS FOR RECEIVING THE ERROR H303.
• THE DAMAGED OR CORRUPTED COMPANY FILE CAN GIVE RISE TO SUCH AN ERROR.
TOP WAYS TO OVERCOME THE QUICKBOOKS DESKTOP 
ERROR MESSAGE H303
ALTHOUGH THE ERROR CODE IS QUITE COMMON, SOMETIMES YOU MIGHT FIND IT 
DIFFICULT TO FIX IT. THUS, THE TROUBLESHOOTING METHODS THAT HAVE BEEN 
MENTIONED BELOW WILL HELP YOU TO DEBUG THE ERROR APPROPRIATELY WITHIN NO 
TIME. TAKE A LOOK AT THEM BRIEFLY-

SOLUTION 1: MODIFY THE NAME OF THE TRANSACTION LOG AND 
NETWORK DATA FILES
• BEGIN THE PROCESS BY FIRST MOVING ON TO THE FOLDER THAT HAS YOUR 
COMPANY FILE.
• AFTER YOU LOCATE THE FOLDER, LOOK FOR THE FILES THAT COMPRISE.ND AND .TLG 
EXTENSIONS.
• ENSURE THAT THE NAME OF THE FILE NAMES WILL BE SIMILAR TO YOUR DATA FILE 
NAME.
•  ONCE YOU SEE BOTH FILES, CHANGE THEIR NAMES.
•  TO DO THAT, RIGHT-CLICK ON EACH FILE AND THEN OPT FOR THE ‘RENAME’ OPTION.
• NOW, ADD ‘.OLD’ AT THE EXTREME END OF THE FILE NAMES AND HIT THE ‘ENTER’ 
KEY ON YOUR KEYBOARD.
•  AFTER YOU SAVE BOTH FILES’ NEW NAMES, EXIT THE COMPANY FILE FOLDER.
• THE LAST STEP IS TO RUN YOUR QUICKBOOKS DESKTOP TO ACCESS THE DATA FILE.
SOLUTION 2: MAKE CHANGES IN THE CONFIGURATION OF THE 
WINDOWS FIREWALL
• TO START WITH, CLICK ON THE ‘START’ SECTION OF THE WINDOWS DESKTOP, AND 
ON THE SEARCH BOX, TYPE ‘WINDOWS FIREWALL’.
• HIT THE ‘ENTER’ KEY, AND THEN ON THE FIREWALL SCREEN, GO TO THE 
ADVANCEDSETTINGS.
• FURTHER, CHOOSE ‘NEW RULE’ AFTER RIGHT-CLICKING ON ‘INBOUND RULES’.
• CLICK ‘PORTS’ AND ‘NEXT’.
• AFTER CHOOSING ‘TCP’, SHIFT TO THE SPECIFIC LOCAL PORTS SECTION TO TYPE IN   
 THE PORT NUMBER OF YOUR QUICKBOOKS DESKTOP.
• IN THE NEXT STEP, TAP ‘ALLOW THE CONNECTION’ AFTER CLICKING ON THE ‘NEXT’ 
BUTTON.
• AGAIN, HIT ‘NEXT’ TO MARK ALL PROFILES.
• ONCE YOU TAP ON THE ‘NEXT’ BUTTON, YOU WILL REQUIRE TO CREATE A RULE AND 
GIVE A NAME TO IT.
• FINALLY, END THE PROCEDURE BY CHOOSING THE ‘FINISH’ BUTTON.
SOLUTION 3: RUN QUICKBOOKS FILE DOCTOR TOOL FROM THE 
QUICKBOOKS TOOL HUB
• REMEMBER TO CLOSE THE QUICKBOOKS APPLICATION IF IT IS ALREADY RUNNING ON YOUR DEVICE.
•  ONCE YOU QUIT IT, GO TO THE OFFICIAL WEBPAGE OF INTUIT.
•  ON THE WEBSITE, LOOK FOR THE MOST CURRENT VERSION OF THE QUICKBOOKS TOOL HUB.
•  DOWNLOAD IT AND THEN SAVE THE FILE TO AN APPROPRIATE FOLDER TO ACCESS IT LATER.
•  NOW, IN THE NEXT STEP, YOU MUST RUN THE ‘QUICKBOOKS.EXE’ FILE TO START INSTALLING THE TOOL 
HUB PROGRAM.
•   AS YOU RUN THE FILE, PROCEED BY FOLLOWING THE STEPS PROMPTED ON THE SCREEN.
•  IN ADDITION, YOU ARE ALSO REQUIRED TO MARK THE SUITABLE CHECKBOXES FOR ACCEPTING THE 
TERMS AND CONDITIONS.
•  AFTER THE INSTALLATION FINISHES, MOVE BACK TO YOUR DESKTOP AND CLICK TWICE ON THE 
SOFTWARE’S ICON TO LAUNCH IT.
•  MOVE THE CURSOR TO THE ‘COMPANY FILE ISSUES’ SECTION.
•  HIT THE ‘RUN QUICKBOOKS FILE DOCTOR’ BUTTON.
• NOW, WITH THE HELP OF THE DROP-DOWN MENU, SELECT YOUR DATA FILE AND OPT FOR THE ‘CHECK 
YOUR FILE’ OPTION.
• CLICK ‘CONTINUE’ AND THEN PROVIDE THE ADMIN PASSWORD OF QB.
• FINALLY, CHOOSE ‘NEXT’ AND THEN TRY TO OPEN YOUR COMPANY FILE.
SOLUTION 4: MAKE USE OF THE QUICKBOOKS DATABASE SERVER 
MANAGER AFTER INSTALLING THE QUICKBOOKS TOOL HUB
NOTE: TO LEARN THE PROCESS OF INSTALLING THE QUICKBOOKS TOOL HUB, YOU MUST 
TAKE REFERENCE FOR THE SOLUTION MENTIONED ABOVE.
• IN THE BEGINNING, LAUNCH THE QUICKBOOKS TOOL HUB.
• GO TO THE ‘NETWORK ISSUES’ MENU AND TAP ON THE ‘QUICKBOOKS DATABASE 
SERVER MANAGER’ BUTTON.
• AFTER YOU ARE ABLE TO FIND YOUR COMPANY FILE, CLICK ON THE ‘START SCAN’ 
OPTION.
• ONCE ALL THE ISSUES ARE RESOLVED, CHOOSE ‘CLOSE’ AND THEN RUN THE QB 
DESKTOP TO ACCESS THE COMPANY FILE.
SOLUTION 5: CHECK FOR THE HOST MULTI-USER MENU OPTION
• START THE QUICKBOOKS PROGRAM ON A WORKSTATION, AND UNDER THE ‘FILE’ 
MENU, PLACE THE CURSOR ON THE ‘UTILITIES’ OPTION.
• IF THE ‘STOP HOSTING MULTI-USER ACCESS’ OPTION IS AVAILABLE, THEN HIT IT. IF 
NOT, PERFORM THE SAME PROCESS ON OTHER WORKSTATIONS.
• ONCE YOU HAVE VERIFIED EVERY WORKSTATION, GO TO THE HOST COMPUTER.
• RUN QUICKBOOKS, AND THEN FROM THE ‘FILE’ SECTION, MOVE TO ‘UTILITIES’.
•  IF YOU SEE THE ‘HOST MULTI-USER ACCESS’ OPTION, TAP ON IT.
AS WE CONCLUDE THE ARTICLE ON QUICKBOOKS ERROR H303 HERE, WE SUPPOSE 
YOU MUST HAVE ACQUIRED ALL THE REQUISITE KNOWLEDGE ABOUT THE PROBLEM. 
MOREOVER, WE HAVE PROVIDED YOU WITH THESE TROUBLESHOOTING METHODS 
AFTER CONSULTING OUR EXPERIENCED PROFESSIONALS. HENCE, FOLLOW THESE 
SOLUTIONS APPROPRIATELY TO DEBUG THE ERROR. IN CASE OF ANY OTHER 
ADDITIONAL QUERY, OR IF YOU FACE ANY ISSUES WHILE FIXING THE PROBLEM, FEEL 
FREE TO HAVE A ONE-TO-ONE CONVERSATION WITH ONE OF THE CERTIFIED PRO-
ADVISORS THROUGH OUR TOLL-FREE 1.855.738.2784 .