XADM: MTSIDs Are Generated With Two Different Characters as Delimiters

Currently, Exchange Server uses the following two characters as delimiters in creating the MTSID of messages:

• The semi-colon character (;). For example:
  c=US;a= ;p=MyCompany;l=MyServer-981215155334Z-2
• The slash character (/). For example:
  c=US/a= /p=MyCompany/l=MyServer-981215155598Z-2

To resolve this problem, obtain the latest service pack for Exchange Server version 5.5. For additional information, click the following article number to view the article in the Microsoft Knowledge Base: The English version of this fix should have the following file attributes or later:

Component: Information Store

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Exchange Server 5.5 Service Pack 3.

To be consistent, Exchange Server is modified to only use the semi-colon character. For example: