Event ID - 8

Event Id8
SourceTSWebAccess
DescriptionTS Web Access was not able to access the terminal server %1. Verify that the computer account of the TS Web Access server is added to the TS Web Access Computers security group on the terminal server.
Event InformationAccording to Microsoft :
Cause :
This event is logged when TS Web Access was not able to access the terminal server.
Resolution :
Add the TS Web Access server to the TS Web Access Computers group on the terminal server
To resolve this issue, add the computer account for the TS Web Access server to the TS Web Access Computers local group on the terminal server.
To perform this procedure, you must have membership in the local Administrators group, or you must have been delegated the appropriate authority.
To add the computer account for the TS Web Access server to the TS Web Access Computers local group:
  1. On the terminal server, open the Local Users and Groups snap-in. To open Local Users and Groups, click Start, click Run, type lusrmgr.msc, and then click OK.
  2. If the User Account Control dialog box appears, confirm that the action it displays is what you want, and then click Continue.
  3. In the left pane, click Groups.
  4. In the right pane, right-click the TS Web Access Computers group, and then click Properties.
  5. Click Add.
  6. In the Select Users, Computers, or Groups dialog box, click Object Types.
  7. Select the Computers check box, and then click OK.
  8. In the Enter the object names to select, specify the computer account of the TS Web Access server, and then click OK.
  9. Click OK to close the TS Web Access Computers Properties dialog box.
Verify :
To verify that the TS Web Access server and the terminal server are correctly configured to make RemoteApp programs available through TS Web Access, do the following:
  1. Use Internet Explorer to connect to the TS Web Access Web site. By default, the Web site is located at http://server_name/ts, where server_name is the name of the TS Web Access server.
  2. Under RemoteApp Programs, click a program that is listed.
  3. If the RemoteApp program opens, the TS Web Access server and the terminal server are correctly configured to make RemoteApp programs available through TS Web Access.
Reference LinksEvent ID 8 from Source TSWebAccess

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