Tag Archives: troubleshooting

A more elegant solution than ‘unjoin rejoin domain’: reset computer machine password

It's commonplace that one is tempted to unjoin and rejoin a computer from an AD domain in the belief this will resolve an issue.  Or there are error messages related to domain membership and it's believed unjoin+rejoin is the only solution.  Here is an example of one of those errors "trust relationship cannot be established". Fortunately there is a much more elegant solution to specifically address the domain relationship problem without having to unjoin, reboot, rejoin, reboot.  Also unjoin+rejoin Read more [...]

Troubleshooting ‘RPC server unavailable’ 0x800706BA

Issue: You are getting the error: "The RPC Server is unavailable. (Exception from HRESULT: 0x800706BA)" Cause: This error is likely caused by the RPC ports being blocked between the servers involved in the communication or server process you are trying to complete. Background: RPC is categorized as the X11 protocol and is in the 6001 to 6032 port range.  Commonly 6007 is what is being blocked in this case. Diagnosis: You can test RPC connectivity from the server you are on to another Read more [...]

Processing of Group Policy failed. Windows attempted to read file sysvol\policies and was not successful

Issue: Numerous issues on DC including: Cannot apply group policy Cannot access the sysvol Errors include "Could not open pipe with [DC1]:failed with 53",      "Failed can not test for HOST SPN",      "An net use or LsaPolicy operation failed with error 53" DCDIAG Errors: Starting test: MachineAccount Could not open pipe with [DC1]:failed with 53: The network path was not found. Could not get NetBIOSDomainName Failed can not test for HOST SPN Failed can not test for HOST SPN Starting Read more [...]

Outbound email messages stuck in OWA’s Drafts folder and are never sent out

Issue: You receive reports that users cannot send outbound email from the Exchange server in one of your sites Diagnosis steps: You attempt to test outbound mail with a test account using Outlook Web Access and out mail email immediately moves to the Drafts folder after you click 'send'. -You review the queue viewer, however there appears to be nothing stuck in the queues: -You attempt to telnet on Port 25 from the troubled server to a healthy server or healthy server to troubled server Read more [...]

400 Bad Request Error attempting to Change Password via OWA

Issue: When users attempt to change their password via OWA they are redirected to "https://exchange/owa/lang.owa" and then receive an http "400 Bad Request" After clicking "ok" user received "Bad Request" in the browser: Cause: Users experiencing the issue are showing blank Time Zone and Language settings: You query the same settings for users that do not have the change password issue and determine their Time Zone and Language settings are populated: Resolution: 1) It's Read more [...]