| Microsoft Outlook is a popular and widely used | | | | After applying the hotfix, you need to enable it. |
| email application, which stores emails and other | | | | Follow underwritten steps to enable hotfix: |
| data in the form of PST (Personal Folder File). You | | | | 1. Exit Microsoft Office Outlook 2003. |
| can send and receive emails using Outlook and | | | | 2. Click Start, click Run, write regedit and then |
| can use it with Microsoft Exchange Server to | | | | click OK button. |
| create a collaborative messaging environment. But | | | | 3. Locate and click below registry subkey: |
| sometimes when you send an email in MS Office | | | | e\11.0\Outlook\Options\General |
| Outlook 2003 to a recipient, which is selected | | | | 4. After selecting the subkey, which is specified in |
| from Outlook nickname cache, email address of | | | | above step, point to New in Edit menu and click |
| recipient is shown as SMPT:????????. This behavior | | | | DWORD value. |
| might spread to other mail recipients when any | | | | 5. Type ValidateSmtpAddressForNNC and click |
| recipient replies to your email. Along with this, you | | | | Modify button. |
| may also encounter some error message while | | | | 6. In Value data box, type 1 and click OK button. |
| opening an email or other item. This is caused by | | | | 7. In File menu, click Exit to exit the Registry |
| damaged PST file or Outlook profile. To work | | | | Editor. |
| around such issues, PST File Recovery is required. | | | | How to reset Outlook nickname cache profile |
| Cause | | | | Microsoft Office Outlook maintains a nickname list, |
| This issue could occur if the Microsoft Outlook | | | | which is used by both the automatic completion |
| nickname cache file is damaged on sender's client | | | | feature and automatic name checking features. |
| computer.Particularly this behavior might take | | | | This list is automatically generated when you use |
| place if recipient's email address is saved as an | | | | Microsoft Outlook. If this cache gets damaged, |
| ANSI string in Unicode | | | | Outlook might not identify and recipients and |
| PR_SMTP_ADDRESS_W (0x39fe001f) property | | | | possibly the PST file may face corruption |
| field in MS Outlook nickname cache file. | | | | situations. In order to reset MS Office |
| Such type of Microsoft Office Outlook profile | | | | Outlook nickname cache, go through below steps: |
| corruption usually takes place when the MS | | | | 1. Exit Microsoft Office Outlook. |
| Exchange Profile Update Tool (Exprofre.exe) isn't | | | | 2. Click Start button and then click Search. |
| run after move a cross-site mailbox. You must | | | | 3. In Search Companion, click All files or folders. |
| run this utility after moving the cross-site mailbox. | | | | 4. In All or part of the file name box, type *.NK2. |
| * Exprofre.exe: After moving an Exchange server | | | | 5. In Look In box, click to select your hard drive. |
| mailbox across an administrative group, a MS | | | | 6. Click More advanced options, select Search |
| Outlook profile that was in use for this mailbox will | | | | hidden files and folders check box. |
| not function properly. Mailbox server may refer | | | | 7. Click Search button. |
| Outlook to correct server after the mailbox has | | | | 8. Right click .NK2 file with name of your MS |
| been moved within an administrative group, but | | | | Outlook profile, which you want to reset, and click |
| the process does not work properly. After such | | | | Rename. |
| move, you must update your profile for complete | | | | 9. Rename .NK2 file to profilename.bak and press |
| and correct working. For this purpose, Exchange | | | | Enter key. |
| Profile Update tool (Exprofre.exe) has been | | | | 10. Quit Microsoft Windows Explorer. |
| created. | | | | 11. Restart Microsoft Outlook. |
| Solution | | | | The above process is helpful in case of corruption |
| In order to sort out this issue and perform PST | | | | to the Outlook nickname file cache. But in your |
| File Recovery, carry out below actions: | | | | Outlook PST file is damaged, then you are |
| 1. Apply the hotfix 921582. | | | | required to repair and restore the damaged file |
| 2. Enable the hotfix. | | | | using powerful and advanced third party PST |
| 3. Reset Outlook nickname cache profile. | | | | Recovery Software. |
| How to enable hotfix | | | | |