Helpful Customer Support is an Independent Online Technical and Software Support Provider.
We are not associated to any Brands. All images and brand names if used are for reference purpose only.

Call on +1-844-317-3111 – PST File Corruption Due to Damaged Outlook Nickname Cache

Microsoft Outlook is a well-liked and broadly used e-mail software, which shops emails and different information within the type of PST (Personal Folder File). You can ship and obtain emails the use of Outlook and will use it with Microsoft Exchange Server to create a collaborative messaging surroundings. But occasionally whilst you ship an e-mail in MS Office Outlook 2003 to a recipient, which is chosen from Outlook nickname cache, e-mail deal with of recipient is proven as SMPT: ????????. This habits would possibly unfold to different mail recipients when any recipient replies for your e-mail. Along with this, you may additionally come upon some error message whilst opening an e-mail or different merchandise. This is brought about by means of broken PST record or Outlook profile. To paintings round such problems, PST File Recovery is needed.


This factor may happen if the Microsoft Outlook nickname cache record is broken on sender’s consumer laptop.Particularly this habits would possibly happen if recipient’s e-mail deal with is stored as an ANSI string in Unicode

PR_SMTP_ADDRESS_W (0x39fe001f) belongings box in MS Outlook nickname cache record.

Such form of Microsoft Office Outlook profile corruption normally takes position when the MS Exchange Profile Update Tool (Exprofre.exe) is not run after transfer a cross-site mailbox. You will have to run this application after shifting the cross-site mailbox.

* Exprofre.exe: After shifting an Exchange server mailbox throughout an administrative workforce, a MS Outlook profile that was once in use for this mailbox is not going to serve as correctly. Mailbox server might refer Outlook to right kind server after the mailbox has been moved inside of an administrative workforce, however the procedure does now not paintings correctly. After such transfer, you will have to replace your profile for whole and right kind running. For this function, Exchange Profile Update software (Exprofre.exe) has been created.


In order to kind out this factor and carry out PST File Recovery, perform beneath movements:

1. Apply the hotfix 921582.

2. Enable the hotfix.

3. Reset Outlook nickname cache profile.

How to allow hotfix

After making use of the hotfix, you want to allow it. Follow underwritten steps to allow hotfix:

1. Exit Microsoft Office Outlook 2003.

2. Click Start, click on Run, write regedit after which click on OK button.

3. Locate and click on beneath registry subkey:

HKEY_CURRENT_USER Software Microsoft Office 11.0 Outlook Options General

4. After deciding on the subkey, which is laid out in above step, level to New in Edit menu and click on DWORD price.

5. Type ValidateSmtpAddressForNNC and click on Modify button.

6. In Value information field, kind 1 and click on OK button.

7. In File menu, click on Exit to go out the Registry Editor.

How to reset Outlook nickname cache profile

Microsoft Office Outlook maintains a nickname checklist, which is utilized by each the automated crowning glory function and automated identify checking options. This checklist is mechanically generated whilst you use Microsoft Outlook. If this cache will get broken, Outlook would possibly now not establish and recipients and perhaps the PST record might face corruption eventualities. In order to reset MS Office

Outlook nickname cache, undergo beneath steps:

1. Exit Microsoft Office Outlook.

2. Click Start button after which click on Search.

3. In Search Companion, click on All information or folders.

4. In All or a part of the record identify field, kind * .NK2.

5. In Look In field, click on to choose your exhausting power.

6. Click More complex choices, make a choice Search hidden information and folders test field.

7. Click Search button.

8. Right click on .NK2 record with identify of your MS Outlook profile, which you wish to have to reset, and click on Rename.

9. Rename .NK2 record to profilename.bak and press Enter key.

10. Quit Microsoft Windows Explorer.

11. Restart Microsoft Outlook.

The above procedure is beneficial in case of corruption to the Outlook nickname record cache. But on your Outlook PST record is broken, then you might be required to fix and repair the broken record the use of tough and complex 3rd birthday celebration PST Recovery Software.

These PST Recovery programs are in a position to methodically scanning the broken PST record the use of high-end scanning algorithms. With interactive and easy graphical person interface, those PST Recovery Software don’t call for sound and prior technical talents out of your aspect. Due to read-only and non-destructive nature, the PST Recovery gear are utterly secure to make use of.

Stellar Phoenix Outlook PST Repair is a complicated and efficient Recover PST software to retrieve all the PST record items. It helps restoration from Microsoft Outlook 2007, 2003, 2002 (XP) and 2000. This tool is suitable with Microsoft Windows Vista, 2003, XP, 2000 and NT4 (SP6).