• Determine the Exchange Schema version by using ADSI Edit
  
  
• Determine the Exchange Schema version by using LDP.exe
  
  
• Determine the Exchange Schema version by using DSQuery
  
  

You need to be assigned permissions before you can perform this procedure. To see what permissions you need, see the "Organization Management” entry in the Understanding Management Role Groups topic.

1. Sign on to a domain controller in your Active Directory forest.
   
   
2. Click Start, click Run, type ADSIEdit.msc, and then click OK.
   
   
3. In the ADSI Edit console, right-click ADSI Edit in the navigation pane, and then click Connect to.
   
   
4. In the Connection Settings dialog box, select Schema in the Select a well known Naming Context list, and then click OK.
   
   
5. Expand the schema node in the navigation pane, and then click CN=Schema,CN=Configuration,DC=contoso,DC=com.
   
   
6. Right-click CN=ms-Exch-Schema-Version-Pt, and then click Properties.
   
   
7. On the property page, locate rangeUpper in the Attribute list.
   
   
8. Verify that the value is correct for the expected Exchange Schema.
   
   

Note:
To view the schema version table, see Exchange Server Build Numbers and Release Dates

You need to be assigned permissions before you can perform this procedure. To see what permissions you need, see the "Organization Management” entry in the Understanding Management Role Groups topic.

1. Sign on to a domain controller in the Active Directory Forest.
   
   
2. Click Start, click Run, type LDP.exe, and then click OK.
   
   
3. In Ldp, click Bind on the Connection menu.
   
   
4. In the Bind type area, click Bind as currently logged on user, and then click OK.
   
   
5. On the View menu, click Tree.
   
   
6. In the Tree View dialog box, select CN=Schema,CN=Configuration,DC=contoso,DC=comin the BaseDN list, and then click OK.
   
   
7. Expand the schema node in the navigation pane, and then click ms-Exch-Schema-Version-Pt.
   
   

   Note:
   If the ms-Exch-Schema-Version-Pt schema attribute is not listed, click General on the Options menu, increase the value of the Max children buffer size, click OK, and then repeat step 5.

8. In the right pane, scroll down to the bottom and locate the rangeUpper attribute.
   
   
9. Verify that the value is correct for the expected Exchange schema.
   
   

Note:
To view the schema version table, see Exchange Server Build Numbers and Release Dates

You need to be assigned permissions before you can perform this procedure. To see what permissions you need, see the "Organization Management” entry in the Understanding Management Role Groups topic.

1. Sign on to a domain controller in the Active Directory forest.
   
   
2. At a command prompt, type the following command, and then press Enter:
   
   dsquery * CN=ms-Exch-Schema-Version-Pt,cn=schema,cn=configuration,dc=<Domain>,dc=<local> -scope base -attr rangeUpper
   
   

Dsquery

DSQUERY Commands