Article ID: 841091
Article Last Modified on 10/25/2007
APPLIES TO
- Microsoft Exchange Server 2003 Enterprise Edition
- Microsoft Exchange Server 2003 Standard Edition
- Microsoft Exchange 2000 Server Standard Edition
- Microsoft Exchange 2000 Enterprise Server
- Microsoft Exchange Server 5.5 Standard Edition
INTRODUCTION
This article describes characters that you cannot use in object names in Microsoft Exchange Server 5.5, Exchange 2000 Server, and Exchange Server 2003.
You may have to create names for components or objects in Exchange, import objects, or connect to objects. This article contains a list of characters that these object names might contain but that are not supported in Exchange. If you try to connect to objects or work with objects, and the names of those objects contain characters that are not supported, you may receive error messages or unexpected results.
MORE INFORMATION
Microsoft Exchange Server 5.5
The following table lists characters that Exchange Server 5.5 does not support in component names or object names.
| Exchange object | Exchange scenario or component | Unsupported characters | Character limit |
| Mailbox name | Directory Synchronization Service (DXA) | , comma | 10 |
| Distribution group name | System Network Architecture Distribution Service (SNADS) | - hyphen | |
| Service account password | Running the Setup program | an ALT code | |
| Host name | Simple Mail Transfer Protocol (SMTP) | _ underscore | |
| Password | Microsoft Exchange Connector for Microsoft Mail | * asterisk Any symbol or punctuation character |
Microsoft Exchange 2000 Server
The following table lists characters that Exchange 2000 Server does not support in component or object names.
| Exchange object | Exchange scenario or component | Unsupported characters | Character limit | ||
| Organization name, site name | Running the Setup program, moving mailboxes | ~ tilde ` grave accent |
exclamation point @ at sign
$ dollar sign
() parentheses |
vertical bar \ backslash
" quotation mark |
64 |
|---|---|---|---|---|---|
| Administrative group name | Running the Setup program | ~ tilde ` grave accent |
exclamation point @ at sign
$ dollar sign
() parentheses |
vertical bar \ backslash
" quotation mark |
|
| Exchange 5.5 computer name | Connection Agreements; mail flow | . period | |||
| E-mail domain field | SMTP connector | ~ tilde ` grave accent |
exclamation point @ at sign
$ dollar sign
() parentheses |
vertical bar \ backslash
" quotation mark |
|
| DNS namespace | Running the Setup program | _ underscore | |||
| The common name attribute, the obj-user attribute | Lightweight directory access protocol (LDAP) directory information migration | . period | 20 | ||
| Smart host name | SMTP | Leading spaces or trailing spaces | |||
| RFAX address | Export user attributes by using the Ldifde tool or the Csvde tool | Acute accent | |||
| Script files | Exchange workflow application | Character sets that do not support double-byte characters (DBCS) | |||
| Recipient policy SMTP address | Viewing public folder hierarchy | ~ tilde ` grave accent |
exclamation point @ at sign
$ dollar sign
() parentheses |
vertical bar \ backslash
" quotation mark |
|
| Recipient policy SMTP address host name | Mail Flow | .. two periods | |||
| Host name of connector address space | Mail Flow | .. two periods | |||
| Recipient name | SMTP | ' apostrophe " quotation mark |
|||
| Exchange Server host name | SMTP | _ underscore | |||
| Organization internal directory name | Directory | ~ tilde ` grave accent |
exclamation point @ at sign
$ dollar sign
() parentheses |
vertical bar \ backslash
" quotation mark |
|
| Site internal directory name | Viewing the public folder hierarchy | ? question mark () parentheses
|
Microsoft Exchange Server 2003
| Exchange object | Exchange scenario or component | Unsupported characters | Character limit | ||
| Organization name, site name | Running the Setup program, moving mailboxes | ~ tilde ` grave accent |
exclamation point @ at sign
$ dollar sign
() parentheses |
vertical bar \ backslash
" quotation mark |
64 |
|---|---|---|---|---|---|
| Administrative group name | Running the Setup program | ~ tilde ` grave accent |
exclamation point @ at sign
$ dollar sign
() parentheses |
vertical bar \ backslash
" quotation mark |
|
| Exchange 5.5 computer name | Connection agreement; mail flow | . period | |||
| E-mail domain field | SMTP connector | ~ tilde ` grave accent |
exclamation point @ at sign
$ dollar sign
() parentheses |
vertical bar \ backslash
" quotation mark |
|
| Domain Name System (DNS) namespace | Running the Setup program | _ underscore | |||
| Smart host name | SMTP | Leading spaces or trailing spaces | |||
| Recipient policy SMTP address | Viewing public folder hierarchy | ~ tilde ` grave accent |
exclamation point @ at sign
$ dollar sign
() parentheses |
vertical bar \ backslash
" quotation mark |
|
| Recipient policy SMTP address host name | Mail Flow | .. two periods | |||
| Host name of connector address space | Mail Flow | .. two periods | |||
| Recipient name | SMTP | ' apostrophe " quotation mark |
|||
| Exchange Server host name | SMTP | _ underscore | |||
| Organization internal directory name | Directory | ~ tilde ` grave accent |
exclamation point @ at sign
$ dollar sign
() parentheses |
vertical bar \ backslash
" quotation mark |
|
| Site internal directory name | Viewing the public folder hierarchy | ? question mark () parentheses
|
|||
| Mailbox name | Running the Setup program | / slash | |||
| Public folder tree name | Public folder viewing or public folder creation | : colon
|
REFERENCES
For additional information about unsupported characters in Exchange Server 5.5, click the following article numbers to view the articles in the Microsoft Knowledge Base:
259282 How to remove accounts with invalid characters
193842 DXA does not handle MAC mail addresses in excess of 10 characters properly
244413 Cannot reply to e-mail from MEMO because originator address is MEMOGWY(SNADS)
For additional information about unsupported characters in Exchange 2000 Server, click the following article numbers to view the articles in the Microsoft Knowledge Base:
329607 You can join an Exchange 5.5 site that has an invalid character in its name to an Exchange 2000 organization
289671 Invalid character error occurs when you upgrade or join an Exchange Server 5.5 site
316061 The SMTP connector returns an error message when invalid characters are used
251951 Exchange System Manager does not verify smart host DNS names
266311 Workflow common script file must be saved as Unicode
311117 "Recipient names cannot have quotes" error message occurs if you use Web Scheduler
884110 Mail flow stops working after you create a new recipient policy or after you configure a connector in Exchange 2000 and in Exchange 2003
822588 You receive a "The object is no longer available" message when you expand Public Folders in Exchange System Manager in Exchange 2000 or in Exchange 2003
836563 You receive a non-delivery report after you send an e-mail message to an Exchange 5.5 recipient
291266 Cannot create ADC Connection Agreement if there is a dot in the Exchange Server 5.5 computer name
For additional information about unsupported characters in Exchange Server 2003, click the following article number to view the article in the Microsoft Knowledge Base:
821757 An event sink that is registered against a mailbox does not work in Exchange Server 2003
Additional query words: valid invalid DGN
Keywords: kbinfo KB841091
